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  Sophistication Simplified in an Advanced Business Telephone System
DSX 3.2 Enhancments
DSX Version 3.2: An Important New VoIP Release

DSX System Software Version 3.2 is an important new release that features three major VoIP enhancements: Peer-to-Peer communication between IP extensions, NAT Traversal with Any Router, and Improved ATA and SIP SLT Support.

DSX System Software Version 3.2 also provides the new IntraMail Message Review feature, enhanced Cascading Message Notification with IntraMail Pro, and improved maintenance functions when used with System Administrator 3.1 or higher.


  • The software version in which a feature or enhancement was introduced is indicated by square brackets [ ].
  • Software version 3.22 is the General Sales Release version of software version 3.21.23.
  Important New System Features

Peer-to-Peer (p2p) [3.20]

IP keysets, ATAs, and SIP SLTs connected to another SIP device in the same office do not use VoIP Gateway circuits. They communicate p2p instead. This means you can have 32 SIP devices in an office talking to each other and never use up a VoIP License.

A VoIP License is still required, however, when a SIP device is:

  • On an outside call.
  • Participating in a Conference.
  • Using Room Monitor.
  • Using an IntraMail mailbox or leaving a message.
  • Calling a SIP device in another office. For example, if an on-premise IP keyset calls an IP keyset in a remote office, each IP phone requires a VoIP License.

By default, Peer-to-Peer is enabled for all IP extensions. The system will automatically switch VoIP gateways in and out as required by the call state.

Note that some 3rd party ATAs and SIP SLTs may not support p2p in the remote office. However, the Cisco PAP2T and SPA8000 do support p2p in the remote office.

NAT Traversal With Any Router for DSX IP Keysets [3.20]

NAT Traversal is available with any router without programming. You no longer have to limit your remote offices to the two LinkSys routers we previously recommended. To set up NAT Traversal:

  • On the phone system router, forward UDP ports 5060 (SIP) and 1024-1215 (RTP) to the DSX system IP address.
  • On the DSX IP Keysets, use IP Keyset firmware or higher. Click here for more.

Improved ATA (Analog Telephone Adapter) and SIP SLT Support [3.20]

Major improvements have been made to the DSX integration with third-party ATAs and SLTs. In general, ATAs and SIP SLTs work the same as local analog single line sets.

  Important New IntraMail Features

Message Review [3.20]

After a caller leaves a message they can review their message before sending. After reviewing the message they can rerecord it, erase it, or send it to the recipient unchanged. Message Review is available to both co-workers and outside callers.

Cascading Message Notification Enhanced [3.20]

For added flexibility, IntraMail Pro Cascading Message Notification now allows multiple cycles through the list of destinations. You can, for example, have notification cascade through each destination once and then repeat the cycle. Additionally, the number of busy and RNA attempts per destination can be from 1-99, and the total number of notification cycles can also be from 1-99. This allows for very complex notification cascades if the site requires.

The meaning of the following timers have changed to accommodate these enhancements.

  • 4202-06: Maximum Attempts sets how many times Message Notification cascades through the list of destinations.
  • 4202-01: Notification Interval sets how long IntraMail waits, after completing the cascade, before starting again. In the prior release, a new cascade would start immediately after the prior cascade finished with no delay in between.

IntraMail Maintenance and Prompt Update Features [3.20]

System Software 3.2 enables all the System Administrator Version 3.1 Maintenance and Prompt Update features. This includes:

  • Copying, moving, and erasing mailboxes.
  • Deleting voice prompt sets that are already installed (e.g., to make more message storage room).
  DSX Phone Manager

Phone Manager

Introducing the New DSX Phone Manager [3.21.23]

The new DSX Phone Manager allows an extension user to customize their telephone's features right from the convenience of their web browser. There is no special software to install on the user's PC. The DSX Phone Manager works with the DSX internal web server to let users tailor the most frequently-used features, including:

  • Call Forwarding
  • Settings for the telephone speaker, dialing, headset, and Off-Hook Signaling
  • Personal and Company Speed Dial
  • IntraMail mailbox settings (including Group Mailboxes)
  • Message Notification
  • Email Notification and Find Me Follow Me (with IntraMail Pro)

Easy to Access

To access the DSX Phone Manager, the extension user just needs to know the IP address of the DSX, have a PIN programmed, and an Access Level of 3 or higher. Just type the IP address in the browser address window, enter their extension number and PIN, and they're ready to go.


The DSX Phone Manager is intuitive and friendly. Since the browser interface is modeled after the Menu key options and the IntraMail user displays, the user is up to speed right away with no special training required.


The extension user can access the DSX Phone Manager at any time - while busy on the phone or while idle. The DSX Phone Manager won't interrupt their call or disable their phone during programming.

Special Features for Administrators

Admin Header

System Administrators (Access Levels 4 or 5) have a unique navigation bar in the DSX Phone Manager header that lets them program any other phone in the system. An administrator can program any option available to a user as well as some unique administrator-only options. These Admin Bar options include:

  • Extension PIN and Access Level
  • Mailbox Type, Admin Mailbox, and Message Limit
  • Company Speed Dial (view-only for users)

Installation Notes

To set an extension's Access Level (3 or higher required), go to:
    Stations: Config: Setup: Access: Program Level (2102-04)

To set an extension's PIN, go to:
    Stations: Config: Setup: Access: PIN Code (2102-05)

To find the system's IP address:
    Press CHECK + DND.

  Release Notes

3rd Party SIP Cannot Call Ring Group, ICM Queue Key, or Busy UCD Group [3.20]

Software Version 3.20 allows 3rd Party SIP SLTs and ATAs to call Ring Groups, busy extensions with an ICM Queue key, and busy UCD Groups. These operations were not available in prior 3.1x releases.

Additional Silence Elimination for Messages [3.20]

IntraMail will automatically remove 4.5 seconds of silence from any message recording that is paused due to silence. In addition to cleaning up normal messages, it will also help to eliminate "hang up" messages because they will be too short to be saved.

Announcement Mailbox Options Not Being Saved [3.21.03]

The Announcement Mailbox Options IntraMail: Routing Mailboxes: Announcement Options: Number of Repeats and Hang up after Announcement are correctly saved in software version 3.21.03. In prior version 3 releases, the options could be changed in the System Administrator and phone programming but would not be saved in the system.

Ref: F100812001

ATA Handling of Hold, Transfer, and Park Improved [3.20]

The handling of Hold, Transfer, and Park at third-party ATAs is improved.

    • Hold
      - To put a call on Exclusive Hold at an ATA: Hookflash + Dial *7# + Hang up.
      - To pick up the call on Exclusive Hold: Lift handset + Dial *7#.
    • Transfer
      - To Transfer a call: Hookflash + Dial extension + # + Hang up.
      - To retrieve the call if you co-worker doesn't want it: Hookflash + *7#.
    • System Park
      - To Park a call in System Orbit: Hookflash + * + Orbit (60-69)
      - To retrieve a call from System Orbit: Lift handset + * + Orbit (60-69)
    • Personal Park
      - Personal Park is not available because ** is not allowed by the ATA.

Automated Attendant Call Progress Tone Detection [3.20]

If an outside line without loop disconnect supervision is answered by the Automated Attendant, and caller hangs up, Call Progress Tone Detection will detect the busy, reorder, or dial tone on the line and hang up. This prevents the call from timing out to the Dial Action Table Timeout destination and, in some configurations, inadvertently setting up a loop.

Barge-In Beeps on IP Telephones [3.20]

Barge-In beeps will now correctly occur when an IP telephone is using or receiving a Barge In.

Call Coverage Key Continues To Ring For Call Transferred To Busy UCD Group [3.21.23]

An outside line transferred to a busy UCD Hunting Department Group shows red on all line keys as it is waiting. If an extension has a Call Coverage key for the UCD Hunting Department Group master number, the user can press the key to pickup up the waiting call.

In prior version 3 releases, the waiting call would flash the line keys and could be picked up. If the call was picked up while the Call Coverage key was ringing, the key would continue to ring.

Ref: F101103003

Caller ID Display Enhancements for 3rd Party SIP Telephones [3.20]

The Caller ID display information provided to 3rd Party SIP Telephones and ATAs is enhanced for more consistency with analog single line telephones.

Caller ID Handling of 16-Character Names [3.21.03]

The handling of 16-character Caller ID names is corrected in software version 3.21.03. In prior software versions, the receipt of a 16-character name could cause a variety of anomalies (including system reset).

Cascading Message Notification Enhanced [3.20]

The meaning of the following timer has changed to further improve Enhanced Message Notification.

    • 4202-01: Notification Interval sets how long IntraMail waits, after completing the cascade, before starting again. In the prior release, a new cascade would start immediately after the prior cascade finished with no delay in between.

Conference and ATAs [3.20]

Many improvements were made to the handling of third-party ATAs when included in a Conference.

Cordless DECT and Cordless Lite II Auto Detect [3.21.23]

Software version 3.21.23 will automatically detect the correct circuit type for the Cordless DECT and Cordless Lite II telephones (type 08). This allows the Phone Manger and the System Administrator to gray-out the feature keys that are not installed on the telephone. Grayed-out keys can still be customized, however, even though they are not physically installed. A new version of the System Administrator (not yet available) is required to correctly display all 8 keys on the Cordless DECT.

DHCP Support [3.20]

The execution of the DHCP with Manual IP option is improved.

Dial Preview Without Dialing [3.20]

A potential system reset is corrected that could occur when a user dialed ** and then lifted the handset without dialing any digits.

DID Intercept Not Sending Calls To Mailbox [3.21.03]

DID Intercept now correctly handles routing calls to an extension's mailbox. If an extension's DID Intercept is set for Busy/DND & RNA to 700, the user can:

  • Press DND.
  • Let DND time out to DND All Calls, and
  • Have DID Intercept automatically route all their DID calls do to their mailbox.

In software versions prior to 3.21.03, the DID calls would incorrectly route to the Automated Attendant instead.

DID Translation With Destination 999 Routes To Schedule [3.21.23]

If the DID Translation Table destination set in Lines: DID: Setup: Translations (3302) is 999, the incoming call will overflow to the associated Schedule (if any). In prior version 3 releases, the translation had to be an undefined extension (e.g., 427) to overflow to the Schedule.

Directory Dialing Scrolls to Next Extension's Bin [3.21.03]

A software error is corrected in version 3.21.03 which allowed Personal Speed Dial Directory Dialing in prior versions to scroll to the next extension's first bin. An extension user could, for example, push DIR + PER and press Volume Up to scroll through their Personal Speed Dial. They would see, however, the first bin for the next consecutive extension correctly alphabetized within their own list. This no longer occurs.

A potential Personal Speed Dial Directory Dialing scroll problem is also addressed in this release. In prior releases, it was possible for the names to be out of order when two extensions were scrolling simultaneously.

Ref: F100701001

Disabling Multicast Paging Over the LAN [3.20]

The option 2106-05: LAN Multicast provides the option to disable Multicast Paging over the local LAN. If a local IP keyset is connected to an Ethernet switch that blocks multicast, it will only broadcast Paging if you disable Multicast Paging for that extension.

Note that if you disable this option, every IP phone receiving paging will require a unique VoIP gateway channel. Multicast uses one VoIP gateway channel regardless of the number of phones being paged.

Distribution Lists Re-enabled [3.20]

Software version 3.20 re-enables the Distribution List feature. This feature was inadvertently disabled in software version 3.11.

DSX-80/160 DSP Version 3.13 [3.20]

Corrects a potential backplane communication problem affecting interface
card firmware upgrades when VOIP DB is installed.

Flexible TCP Port Assignment [3.20]

The option 1104-06: TCP Port is added to enable the System Administrator Flexible TCP Port Assignment feature.

Full Duplex Speakerphone Enabled When On a Call with an IP Keyset [3.21.03]

When an IP keyset lifts the handset and calls a TDM keyset, the TDM keyset's Full Duplex Speakerphone (if available) follows the settings of Stations: Config: Options: Speaker: Disable Full Duplex Speakerphone (2112-07). In software versions prior to 3.21.03, the Full Duplex Speakerphone would always be disabled for this type of call.

Headset User Locks Up Page Port [3.21.03]

A headset user Page lockup condition is corrected in software version 3.21.03. The lockup would occur as follows:

    1. An extension user on a headset, in the headset mode, makes a Page.
    2. During the page, another extension places a voice over to the headset extension and hangs up before the paging is complete.
    3. The Page zone is now locked to the headset extension. All calls to and from the headset extension broadcast over the Page and paging is unavailable to all other users.

A system reset was required to correct the problem.

In system software version 3.21.03, Voice Over is prevented in this context.

Ref: F100802005

Hot Dial Pad Follows Prime Line [3.20]

If an extension has Hot Dial Pad enabled 2111-11:Hot Dial Pad and a Prime Line Set in 2114-01: Prime Line, any digits the user dials on the dial pad will go out over the Prime Line. In prior versions, Hot Dial Pad would always follow Intercom Prime Line.

Hotline Keys for Voice Mail Ports [3.20]

An extension user can assign IntraMail ports (501-508) to Hotline keys in Menu: Key Assignment: Feature Keys (Menu + 51). This can be a useful visual tool for monitoring voice mail port usage.

Improvements to VoIP Peer-to-Peer Connections [3.20]

Additional enhancements to VoIP P2P connections are provided in this release to improve operation and maximize gateway resources.

Internal Modem Automatically Disabled when VoIP Daughter Board Installed [3.20]

To protect the viability of VoIP resources when the VoIP Daughter Board is installed, the internal modem is automatically disabled. The reliability of DSX VoIP could be compromised if both were enabled simultaneously.

IntraMail Conflict Between Pause and Disconnect Corrected [3.21.04]

Software version 3.21.04 corrects an IntraMail race condition between Pause Due to Silence and Disconnect which would cause a system reset.

IntraMail Message Notification Over PRI DID [3.20]

This software version corrects a system reset that would occur when a PRI DID line was used for outbound IntraMail Message Notification. This would occur only when the previous incoming call had an un-translated DID number.

No Speech Path At IP Keyset When Speed Dial Uses Line Group [3.20]

In prior 3.1x software versions, an IP keyset would have no speech path after selecting a Speed Dial bin that used a line group. This is fixed in version 3.20.

No Speech Path from Prime Line [3.20]

Software Version 3.20 corrects an issue inadvertently introduced by 3.17 in which VoIP keyset users would have no speech path from their Prime Line (Line or Line Group).

Page Alert Beeps Can Be Optionally Disabled [3.21.23]

Telephone programming option 1513-03: Paging Alert enables and disables the alert beeps that precede a paging announcement. If enabled, the Page alert beeps occur normally just before the announcement begins. If disabled, the alert beeps will not occur. This option is enabled by default.

Park and Page During Page Broadcast Resets System [3.21.03]

In software versions prior to 3.21.03, a system reset could occur if IntraMail Park and Page attempted to broadcast a Paging Message when the zone requested was already in use. In software version 3.21.03, Park and Page will queue for the busy zone and broadcast the Paging Message when the zone becomes free.

Ref: F100816002

Parking an Intercom Call Prevented [3.21.03]

With software version 3.21.03, extension users are automatically prevented from placing their active Intercom call in a Park Orbit. Although Intercom Park was not supported in prior software versions, a user on an Intercom could still press a Park key. This could result in the extension having a continually flashing INTERCOM key, one-way speech path, and other anomalies.

A system reset was required to correct the problem.

Peer-to-Peer Across the WAN [3.20]

The option 2106-04: P2P over WAN is an advanced option for setting up peer-to-peer connections between two SIP devices at different remote offices or between a local and a remote SIP device. This is an option to be used by advanced users with IT experience only, as it requires knowledge and understanding of network address translation and RTP protocols.

Peer-to-Peer Performance With PAP2T ATA Improved [3.20]

In software version 3.20, doing a Make Call (MC) between two SLTs connected to the same PAP2T ATA no longer requires special setup. In prior software versions, speech path problems would likely result and required port forwarding the PAP2T RTP ports or disabling P2P on the LAN.

Phone Manager: Admin Bar Improvements [3.21.23]

The operation of the Phone Manager Admin Bar is improved:

  1. If the administrator enters an illegal extension number, the system ignores the entry and leaves the Phone Manager on the current page. In prior versions, this operation would force a logout.
  2. The administrator can navigate to another extension by typing the extension number and pressing Enter or the tab key. In prior versions, only the Enter key would accept the entry.
  3. Typing a new extension in the Admin Bar and clicking anywhere else on the page will restore the current entry.
  4. The Next and Prev buttons skip extensions that are not in the system's numbering plan. In prior versions, this operation would force a logout.
  5. Clicking Prev while on the lowest-numbered extension and clicking Next while on the highest-numbered extension are ignored. In prior versions, this operation would force a logout.

Phone Manager: Call Forward to Illegal Destinations Blocked [3.21.23]

The Phone Manager in software version 3.21.23 discards Call Forwarding entries to Routing Mailboxes and line extension numbers. It also discards entries that would set up a Call Forwarding loop. In prior Phone Manager versions, entering a Call Routing Mailbox as the forwarding destination could result in a system reset.

Ref: F101118003

Phone Manager: Key Assignments Now Available [3.21.23]

Phone Manager users can click Features: Key Assignments to set up their Feature Keys. To customize a key:

  1. Log into the Phone Manager and click Features: Key Assignments.
  2. Click the key you want to change. The key automatically loads into the Key Assignment box.
  3. Select the key in the Key Type drop down list and add any additional data required in the Entry box.
  4. Click Enter to load the key onto the page and change additional keys as required.
    • The keys that you change will stay red.
  5. When you're done, click Save to send your changes to the system.

Phone Manager: Multiple Email Addresses Allowed [3.21.04]

To allow for the entry of multiple email addresses, the Email Notification: Email Address entry can contain any combination of characters, 48 characters maximum, excluding: % | = " $ \

Phone Manager: Numbers can Begin with * # F P [3.21.04]

Speed Dial, Message Notification, and Find Me Follow Me telephone numbers can begin with *, #, F (for Flash) or P (for pause). In version 3.21.03, the numbers could contain these entries but they could not be the first digit.

Phone Manager: Programmable Port Assignment [3.21.23]

Telephone Programming Option 1104-07: Phone Manager Port sets the port on which the Phone Manager will communicate. The default is standard HTTP port 80 but you can set the port anywhere within the full port range of 1-65535. Note that browsers and company LANs may restrict which ports are available for HTTP traffic, so be sure to check with the site IT Manager before changing the port.

To use an alternate port, append the port number to the phone system IP address. For example: will connect to the Phone Manager at on port 8080.

PIN Code Length Enforced [3.21.03]

The PIN code set in Stations: Config: Setup: Access: PIN Code (2102-05) must be 4 digits long. In software versions prior to 3.21.03, the system would accept a partial PIN code of less than 4 digits from the System Administrator. However, a PIN code less that 4 digits would not function. This is now corrected to ensure that only 4 digit PIN codes will be accepted.

PRI Call Tries To Dial Out If Second Line/Loop Key Presses [3.21.23]

If an extension user:

  1. Presses a line or loop key for a PRI line,
  2. Partially dials the call,
  3. Then presses another PRI line or loop key,

the first call will be torn down and the user will get new dial tone on the second line. In software versions prior to 3.21.23, the initial line would attempt to dial out as soon as the user pressed the second key. This no longer occurs.

Ref: F101110006

PRI Field Problem When Using Forced Account Codes Corrected [3.20]

Software version 3.20 corrects a field problem that could cause a system reset in a busy system with Forced Account Codes enabled.

PRI Firmware [3.20]

The PRI Card firmware is updated to 4.6 to correct an issue found with specific network providers that would result in an immediate disconnect of calls to busy destinations.

PRI Firmware Corrects Nortel NI-2 Field Issue [3.20]

T1/PRI Card firmware is updated to 4.6 to correct a specific field-reported Nortel NI-2 Busy issue.

Programmable SIP Registration Expiry Time [3.20]

The SIP Registration Expiry Time (the interval after which a SIP device's registration expires) is now programmable using option 1802-02: Reg. Expiration. The default interval (40 seconds) is normally adequate.

In DSX, the SIP Registration packets serve a dual purpose: they keep the IP device registered with the system and, for remote IP phones and other SIP devices, they function as SIP “keep alive” messages. This ensures that IP port translations remain open in the NAT router and that the connection to the DSX remains active.  If SIP traffic is not sent often enough, the NAT router may close the IP port and cause the remote phone or device to be disconnected. If you find your SIP device continually connecting and disconnecting from the DSX you may need to decrease the SIP Registration Expiry Time.

Ring No Answer Between Two ATAs Could Cause IP Lockup [3.20]

In prior 3.1x software versions, an unanswered Intercom call between two SLTs connected to the same ATA could result in a lockup of the IP processes. This is fixed in software version 3.20.

Schedule Skip Cancelled if Next Schedule Entry is in the Following Week [3.21.03]

If a keyset user presses their Skip Ahead key and the next Schedule Entry is for a day in the following week, the system will use the next consecutive Schedule Entry instead. For example:

  • Schedule Entry 1 is set for every day of the week from 9:00 AM to 5:00 PM.
  • Schedule Entry 2 is set for all other times.
  • On Saturday at 11:30 AM, the extension presses their Skip Ahead key.
  • The schedule automatically advances to Schedule Entry 1.

In version 3 software prior to 3.21.03, this condition would cancel the schedule skip. This is now corrected.

Ref: F100823003

Spanish Displays Available on DSX Keysets [3.21.23]

DSX keyset display messages are available in English or Spanish. To change the display language, use the Phone Manager Features: Name and Login: Display Language option or telephone programming option 2101-03: Station Display Language. Spanish displays were not available in prior Version 3 releases.

Ref: F101019001

Speech Path Lost After Multicast Page [3.21.03]

A lost speech path problem with Multicast Page is corrected in software version 3.21.03. Here is an example of when this could happen in prior versions:

  1. Enable Multicast Paging for all IP keysets in Stations: Config: Setup: VoIP: LAN Multicast.
  2. A keyset user answers an outside call, places it on Hold, makes a Page, and hangs up.
  3. A user at a IP Keyset presses a line key to pick up the call from Hold.
  4. The IP keyset user has no speech path with the outside caller.

This is now corrected.

T1/PRI Clock Sync Corrected When Multiple Cards Installed [3.21.03]

A clock sync issue is corrected in software version 3.21.03 affected the second T1/PRI card in a two card installation. On power up, the first card that became operational would correctly become a clock slave to the service provider's clock source. When the second card became operational, it would come up in the master mode and not rely on the provider for clock source. With certain service providers this could result in timing slips which could in turn create talkpath loss and other issues.

Software version 3.21.03 corrects this problem by ensuring that both cards in a two card installation use the service providers master clock as the clock source. Both T1/PRI cards operate in slave mode.

This correction also requires T1/PRI Card firmware version 4.7 which is automatically provided as part of this update.

Ref: F100802006

T1/PRI Lines Don't Recover After System Reset [3.21.23]

T1 configuration is correctly restored after a system or card reset. In prior software versions, a T1/PRI Card set for T1 operation could operate with the default ESF/B8ZS settings after reset, regardless of the programmed configuration. If the connected service did not support ESF/B8Zs, the card would not recover.

Ref: F101118002

User Programmable Features Access Levels Match [3.20]

The access levels for the Menu key user features now match the access levels for the legacy on-hook #xx codes. In addition, the access levels for some options have been changed to provide more feature differentiation among the different levels.

VoIP: No Audio Between Analog Door Box and IP Keyset [3.21.23]

The following DSX-40 Analog Door Box problem is corrected in software version 3.21.23:

  1. Analog Door Box 1 (327) and local IP keysets 401 and 402 are in Department Group 1.
  2. Door Box 1 is set to chime in Stations: Config: Setup: Type: Door Chime (2101-04).
  3. The caller at the door presses the Door Box call button, the IP keysets chime, and the caller at local IP 401 lifts the handset to answer the call.
  4. There is no audio between the IP keyset and the Door Box. There is also no audio on subsequent Intercom calls from the IP keyset to any TDM extension.

This issue is now corrected.

VoIP: IP Keysets Provide Additional Messages When They Can't Connect [3.21.23]

DSX IP Keysets provide one of three diagnostic messages when registration with the system fails:

  • Invalid Password
    • The system entry in Stations: Config: Setup: VoIP: Password (2106-02) and the keyset Admin entry in 2:SIP Settings -> 1:SIP User -> 2: Password don't match.
  • Unknown Extension
    • The extension number entered at the keyset in 2:SIP Settings -> 1:SIP User -> 1: User ID and 3: Extension Number doesn't exist in the system.
  • SIP Server Not Found
    • The DSX IP Keyset cannot register over the LAN or internet to the system (SIP Server).

VoIP: System with Public IP Can't Detect Remote RTP Port [3.21.03]

A VoIP enhancement is made in system software version 3.21.03 that allows a DSX system with a public IP address to correctly detect the RTP port used by the remote router. In prior version 3 releases, this could cause a correctly registered remote IP keyset to not have a speech path. This was a router-dependent issue that did not occur in all cases.

Walking Class of Service Timer Didn't Expire [3.21.23]

When a user implements Walking Class of Service at a co-worker's extension, the Walking Class of Service automatically expires 10 seconds after the extension goes idle. In prior Version 3 releases, the timer would never expire.

Ref: F101004002


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