NEC Univerge SV9100 Manual page 348

6-2
Conditions
The option to set the SIP trunk Codec to G711 or G729 Fixed is

supported in Program 84-13-28.
A maximum of 400 IP Trunks are supported in the SV9100.

The SV9100 supports G.711 or T.38 for FAX.

The SV9100 does not support fallback to G.711 from G.729/G.726 for

data (FAX) calls.
A transferred call can not use T.38 at the transferred destination.

SIP trunks are assigned in increments of four.

Calling Party Name is not provided for outgoing calls on SIP trunks.

With SV9100 software and GPZ-IPLE daughter board installed, half

duplex connections are not supported. For troubleshooting purposes, a
managed switch capable of port mirroring is required to capture packet
data from the SV9100 IPLE Ethernet port.
The SV9100 software enables multiple SIP trunk carriers to be utilized

when NetLink is configured. Refer to
additional details.
Each SIP Profile will require a different SIP Listen Port assigned in

Program 84-14-06.
Each SIP Profile will have to connect using one route because the

SV9100 can have only one Gateway.
If SIP Trunks are programmed in a NetLink Secondary system, only SIP

Profile 1 can be utilized.
The SV9100 can only use one DNS Server, two SIP Carriers that

require their own DNS Server can't be used.
VBD is supported on the GPZ-IPLE

VBD on SIP trunk is only supported on SLT terminals.

VBD supports G.711/G.729 (PCMU/PCMA) CODEC.

The selection of (FAX or VBD) mode is on a per terminal basis.

❍
The FAX connection may not work properly when in VBD Mode.
VBD supports one way switching from the Voice session to VBD. VBD

to Voice session is not supported. When VBD session ends, the session
is closed.
The VBD feature is not dependent on Carrier Type (Program 10-29-14).

VBD is only supported on analog terminals and SIP trunks within the

same system.
Chapter 10 SV9100 NetLink
Issue 2.0
for
SIP Trunking