• VAD can negotiate by SIP using G.711 or G.729.
• VBD is supported on the VoIPDB.
• VBD on SIP is only supported on SLT terminal.
• When modem signal is detected during a talking, a Codec is changed to VBD Codec.
• VBD supports G.711/G.729 (PCMU/PCMA) codec.
• The selection of mode (FAX or VBD) is per terminal.
Fax Connection may not work properly when it is in VBD Mode.
• VBD supports the one way switching from Voice session to VBD. VBD to Voice session is not
supported. when VBD session is done, the session will be closed.
• VBD feature is not dependent on Carrier Type (PRG 10-29-14).
• VBD only supports only when the analog terminal and SIP Trunk is connected to a same system.
• When changed into VBD codec, VoIPDB cancels VAD and Echo canceller automatically.
• When use the FAX path through mode (PRG 84-33-01=2), same FAX codec type must be set on
both end systems. If the codec does not match, the FAX call would be failed. Supported FAX codec
is G.711, and G.726.
• To make FAX call, PRG 15-03-03 has to set "1 = Special Terminal" and PRG 15-03-18: "0 = Fax".
• SIP Multi Profiles must be configured with unique SIP Port numbers per profile. i.e. Profile 1 could
use the default SIP port 5060 and Profile 2 could be configured to use 5062.
• SIP Multi Profile carrier configurations must be reachable through the same IP gateway. i.e. the
default gateway in PRG 10-12-03 must be able to route traffic to the carrier configured in Profile 1
and also be able to route traffic to the System Interconnection configured in Profile 2.
• SIP Multi Profile carrier configurations must be reachable through the same DNS server settings.
• For SIP Multi Profile programming areas you will now require an index selection as to whether
Profile 1 to Profile 6 is to be configured.
PRG Name Note
10-28 SIP System Information Setup Index added. Select from Profile 1 to Profile 6.
10-29 SIP Server Information Setup Index added. Select from Profile 1 to Profile 6.
10-36 SIP Trunk Registration Information Index added. Select from Profile 1 to Profile 6.
15-16 SIP Register ID Setup for Extension Index added. Select from Profile 1 to Profile 6.
21-19 IP Trunk (SIP) Calling Party Number Setup for
Extensions
Index added. Select from Profile 1 to Profile 6.
84-13 SIP Trunk CODEC Information Setup Index added. Select from Profile 1 to Profile 6.
84-14 SIP Trunk Information Basic Setup Index added. Select from Profile 1 to Profile 6.
84-31 VoIPDB Echo Canceller Setup Index added. Select from Profile 1 to Profile 6.
84-33 FAX over IP Setup Index added. Select from Profile 1 to Profile 6.
84-34 VoIPDB DTMF Setup Index added. Select from Profile 1 to Profile 6.
84-38 VoIPDB Network Side Echo Canceller Index added. Select from Profile 1 to Profile 6.
84-39 SIP Trunk Message Customization Index added. Select from Profile 1 to Profile 6.
Default Settings
None
ISSUE 1.0
SL2100
Features and Specifications Manual 1-511
I
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