NEC UNIVERGE SV9100 Manual page 118

118
INFO sip:7007471000@example.com SIP/2.0
Via: SIP/2.0/UDP alice.uk.example.com:5060
From: <sip:7007471234@alice.uk.example.com>;tag=d3f423d
To: <sip:7007471000@example.com>;tag=8942
Call-ID: 312352@myphone
CSeq: 5 INFO
Content-Length: 24
Content-Type: application/dtmf-relay
Signal=5
Duration=160
Format 2 is DTMF trigger mechanism which uses the 'application/dtmf' mime-type. The body of the
message consists only of the DTMF digit.
Format2: Digit 5
INFO sip:7007471000@example.com SIP/2.0
Via: SIP/2.0/UDP alice.uk.example.com:5060
From: <sip:7007471234@alice.uk.example.com>;tag=d3f423d
To: <sip:7007471000@example.com>;tag=8942
Call-ID: 312352@myphone
CSeq: 5 INFO
Content-Length: 1
Content-Type: application/dtmf
5
Easy Edit –
Programming Command
15-05-49 Receiving SIP
INFO
Call Waiting
SIP Call Waiting is designed for use with NEC IP DECT, the operation of this feature cannot be guaranteed
with other Standard SIP Terminals. It allows a busy IP DECT user to receive a second call indication by a
beep in the ear and some display information.
The IP DECT user has several options when they receive a second call indication:
Ignore the second call and continue with the first.
Hold the first call and answer the second (toggle between the callers is also possible).
Hang up the first call and answer the second.
IP DECT Firmware
SIP Call Waiting is supported on any release of IP DECT handset firmware and any DAP firmware.
Conditions/Comments
Call Waiting is not supported on the C124 IP DECT handset.
M155 handset cannot hold the first call and answer the second or toggle between the calls.
It is not possible to transfer a call to an IP DECT handset if it arrives at the IP DECT as the second
Advanced Items/VoIP/Extensions/SIP Extensions/SIP Terminal Settings
Values
0=disabled
1= SIP INFO (DTMF) messages are
accepted during call setup and
conversation.
2= SIP INFO (DTMF) messages are
accepted only during the call setup,
they are ignored during conversation.
(Default=0)
Command Description
Enables and Disables SIP INFO
(DTMF) support for standard SIP
devices.