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SIP ATA Installation Notes
  1. Use System Software Version 3.2 or higher.
  2. Features that use # are normally not available since this is normally the ATA Send digit. These features include:
    • Line Dial-Up (dialing #901 to access line 1).
    • Conference (dialing #10 to set up a Conference).
    • Meet Me Conference (dialing #10 or #11 to join a Meet Me Conference).
    • Outside line Flash (hookflash + dial #3).
    • Removing Lines and Extensions from Service (#40 + 4 or 6).
    • Group Call Pickup (dialing *# to intercept a call ringing the same group).
  3. If an ATA calls an extension that is busy or in Do Not Disturb, they'll hear busy tone and should try again later. Voice prompts and dial options (such as dialing 2 to Camp On) are not available.
  4. Line Camp On and Line Callback are not available at an ATA.
  5. The INTERCOM + *3 dial codes can not be used to set up Call Forwarding. This applies to both ATAs and analog SLTs. Use Extension Hunting instead.
  6. When Paging from an ATA, dial *1 + Zone (1-7 or 0 for All Call). The ATA user does not have to dial the concluding #.
  7. Prime Line should normally be set to Intercom for an ATA. If set to Line Key, Line or Line Group, the ATA user won't be able to place Intercom calls to the main system.
  8. Ringdown should normally be disabled for an ATA. If you set Ringdown to go to extension 301, for example, any digits the ATA user dials will be discarded after they press # to send the call. It will be routed to extension 301 instead.
  9. An ATA user cannot dial *# to pick up a call ringing their own Group Call Pickup group. The # sends the digits which precede it (which in this case is only the *).
  10. Directed Call Pickup is not available at an ATA since the ATA does not permit ** in a dial string.
  11. Unscreened Transfers are recommended.
  12. If an ATA user hookflashes while on a call and hangs up, the call recalls to them immediately.
  13. (Prior to 3.20 Only) With P2P on the LAN enabled, doing a Make Call (MC) between two STLs connected to the same ATA will likely result in a one-way speech path. There are two solutions: port forward the PAP2T RTP ports or disable P2P on the LAN.
Setting up a Cisco SPA8000 or PAP2T ATA
The Cisco SPA8000 and PAP2T ATAs have been tested on the DSX. Use System Software Version 3.2 or higher.

Unlike the DSX IP Keyset, the Cisco SAP8000 and PAP2T ATAs require some basic setup programming to make them work correctly on the DSX. If you don't understand the following options, refer to the Cisco documentation for additional instruction.

To have access to these options, you must log onto the ATA as admin and run in the advanced mode.

  System Tab

Enable Web Server = Yes

    Enable Web Admin Access = Yes
    DHCP = Yes
    (Optional) Admin Psswd: (Your choice)
  SIP Tab
    NAT Support Parameters (for remote offices only)
      Handle VIA received = Yes
      Handle VIA rport = Yes
      Insert VIA rport = Yes
      Send Resp to Src Port = Yes
  Regional Tab
    Vertical Service = Remove all the *xx codes that correspond to a system feature (e.g., *6x, *7x).
  Line Tab
    Line Enable = Yes

NAT Settings

      NAT Mapping Enable = Yes
    Proxy and Registration
      Proxy = WAN address of the router to which the phone system is connected.
      Voice Mail Server = WAN address of the router to which the phone system is connected.
    Subscriber Information
      Display Name = The extension's number (from 2106)
      Password = The extension's password (from 2106)
      Auth ID = The extension's number (from 2106)
      User ID = The extension's number (from 2106)
      Use Auth ID = Yes
    Supplementary Service Subscription
      MWI Serv = Yes
    Audio Configuration
      DTMF TX Method = INFO
      Hook Flash TX Method = None

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