Unify OpenScape Cordless IP V2 Administrator Documentation page 46

Provider and PBX profiles
Configuring telephony server profiles
G729 or G711
G722 or G729 or G711
RTP Packetisation Time (ptime)
Length of time in milliseconds represented by the audio data in one packet.
 Select the size of RTP packets to send. Select between 10 / 20 / 30 ms.
Signalling options for 'Hold' in Session Description Protocol (SDP)
Call hold means that a user request to put an active call on hold. The holding part sends a re-INVITE request to
the held client with an SDP offer (Session Description Protocol). This SDP offer contains the attribute line a=inac-
tive or a=sendonly.
 Select which attribute should be send in the SDP offer:
inactive The SIP endpoint would neither send nor receive data.
sendonly The SIP endpoint would only send and not receive data.
Hold towards Transfer-Target
The device enables call transfer after consultation or without consultation.
 Define whether a consultation call with transfer target is put on-hold prior to the execution of the call transfer
(Yes) or not (No).
Display of caller information
 From the Calling Party (User Part) option menu select which information is allowed to be transferred to the
receiving part within the SIP header. Which information is actually transferred is determined by the provider.
FROM
PPI+FROM
PAI+PPI+FROM
Service Codes
46
Narrow band
Wide band
Only the FROM information can be added.
Caller identity in the form number@server, e.g.:12345678@192.168.15.1
P-Preferred-Identity (PPI) or FROM can be added
The P-Preferred-Identity header field is used from a user agent to a trusted proxy to carry
the identity the user sending the SIP message wishes to be used for the P-Asserted-
Header field value that the trusted element will insert.
P-Asserted-Identity (PAI) or PPI or FROM can be added
The P-Asserted-Identity header field is used among trusted SIP entities (typically inter-
mediaries) to carry the identity of the user sending a SIP message as it was verified by
authentication.
8
5
P31003C1020M1000276A9, 01/2018
OpenScape Cordless IP V2, Administrator Documentation