P31003C1020M1000276A9, 01/2018
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OpenScape Cordless IP V2, Administrator Documentation
Provider and PBX profiles
Configuring telephony server profiles
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:
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.
Service Codes
G729 or G711
Narrow band
8
G722 or G729 or G711
Wide band
5
inactive
The SIP endpoint would neither send nor receive data.
sendonly
The SIP endpoint would only send and not receive data.
FROM
Only the FROM information can be added.
Caller identity in the form number@server, e.g.:[email protected]
PPI+FROM
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.
PAI+PPI+FROM
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.