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Control Unit
Extension Form Overview
Extension | Extn
Extension | Analog
Extension | VoIP
Extension | IP DECT
User Form Overview
User | User
User | Voicemail
User | DND| Short Codes
User | Source Numbers
User | Telephony
User | Forwarding
User | Dial In
User | Voice Recording
User | Coverage
User | Button Programming
User | Twinning | Menu Programming
User | T3 Options
User | Phone Manager Options
Hunt Group Overview
Hunt Group | Hunt Group
Hunt Group | Voicemail
Hunt Group | Fallback
Hunt Group | Queuing| Voice Recording
Short Code | Short Code
Service Settings Form Overview
Service | Service
Service | Bandwidth
Service | IP
Service | Autoconnect
Service | Quota
Service | PPP
Service | Fallback| Dial In
RAS Form Overview
Incoming Call Route Overview
Incoming Call Route | Standard
WAN Port Overview
WAN Port | Frame Relay
WAN Port | DLCIs
WAN Port | Advanced
Directory | Directory Entry
Time Profile Overview
Firewall Profile Form Overview
Firewall | Custom
IP Route Overview
IP Route | IP Route
RIP Dynamic Routing
Least Cost Routing Overview
Least Cost Routing | LCR| Main Route
Least Cost Routing | Alternate Route
Account Code Overview
Account Code | Voice Recording
License | License
Tunnel | Tunnel (L2TP)
Tunnel | L2TP (L2TP)
Tunnel | PPP (L2TP)
Tunnel | Main (IPSec)
Tunnel | IKE Policies (IPSec)
Tunnel | IPSec Policies (IPSec)
Logical LAN
Wireless Overview
Wireless | Security
User Restrictions Overview
User Rights Overview
User Rights | User
User Rights | Short Codes| Telephony
User Rights | Button/Menu Programming
User Rights | Phone Manager
User Rights | Twinning| Membership
Auto Attendant Overview
Auto Attendant | Auto Attendant
Auto Attendant | Actions
Overview of Authorization Code
E911 System Overview
E911 System | E911 System
E911 System | Zones
IP Office Manager Pt.1
IP Office Manager Pt.3
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Avaya IP Office

The Avaya IP Office platform is the ultimate in converged voice and data technology. IP Office brings a combination of voice and data applications formerly reserved for only the largest corporations. Cutting edge customer service with easy to use tools is now available to the smallest of businesses.


Extension | VoIP

This tab is only available for IP extensions. For example Avaya 3600, 4600 and 5600 Series IP phones and the Phone Manager Pro PC Softphone application.

The following are the recommended settings for Avaya IP extensions.

IP Extension

Series IP Phones

Phone Manager
Pro PC Softphone

Silence Suppression



Enable Faststart



Local Hold Music



Local Tones






Operator Rights View



















IP406 V1




IP406 V2






  • IP Address: Default =
    The IP address of the H323 terminal. The default entry accepts connection to any address.

  • MAC Address: Default = 0000000000000 (Grayed out)
    This field is grayed out and not used.

  • Voice Payload Size  
    This is the length of time represented by each VoIP packet in milliseconds. This settings is automatically defaulted to match the selected Compression Mode selected. Values are G.711/G.729 = 20ms, G.723=30ms. For T3 IP terminals the value 10ms is shown.  

  • Compression Mode: Default = Automatic Selection
    This defines the compression method to be used for this extension.

    • Automatic Selection
      During call setup the IP Office negotiates the compression mode using the following order of preference: G729a, G.723.1, G711 ALAW, G711 ULAW.

    • If required a specific codec can be selected from: G.711 ALAW 64K, G.711 ULAW 64K, G.729(a) 8K CS-ACELP, G.723.1 6K3 MP-MLQ. If during connect with a specific codec, connect fails, the IP Office will fallback to using automatic selection.

  • Gain: Default = Default
    [2.1 ][3.0DT ][3.0 ][3.1 ][3.2 ]

    Allows adjustment of the received volume. The gain is selectable from -31dB to +31dB in 1 dB increments.

  • Silence Suppression: Default = Off
    When selected H.323 terminals will not send data if they are silent, this is useful when optimizing data traffic.

  • Enable Faststart for non-Avaya IP Phones: Default = Off
    A fast connection procedure. Reduces the number of messages that need to be exchanged before an audio channel is created. Faststart should not be used with Avaya 4600 and 5600 series IP phones.

  • Fax Transport Support: Default = Off
    When selected, this option provides support for faxing over a H.323 connection to another IP Office with the same setting.

  • Out of Band DTMF: Default = On
    When on, DTMF is sent as a separate signal ("Out of Band") rather than as part of the encoded voice stream ("In Band"). The "Out of Band" signaling inserted back into the audio by the remote end. This is recommended for low bit-rate compression modes such as G.729 and G.723 where DTMF in the voice stream can become distorted.

  • Local Hold Music: Default = Off
    When selected H.323 terminals use their own hold music if available.

  • Local Tones: Default = Off
    When selected, the H.323 terminals generate their own tones. This option is not supported by Avaya IP phones and Phone Manager Pro PC Softphone.

  • Enable RSVP: Default = Disabled (Grayed out)

  • Allow Direct Media Path: Default = On
    When disabled the media (voice) path always passes through the control unit and requires a VCM channel. When enabled the remote end may be told of a new IP address for the media path if for example the call is transferred to a H.323 extension. Enabling this option may cause some vendors problems with changing the media path in mid call. When using direct media path, it is not always possible for the extension to be recorded or monitored.







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