User Manual
P a g e | 168
UCM6200 Series User Manual
Version 1.0.15.16
Auto Record
Enable automatic recording for the calls using this trunk (for SIP trunk only). The
default setting is disabled. The recording files can be accessed under Web
GUICDRRecording Files.
Advanced Settings
Codec Preference
Select audio and video codec for the VoIP trunk. The available codecs are: PCMU,
PCMA, GSM, AAL2-G.726-32, G.726, G.722, G.729, G.723, iLBC, ADPCM,
H.264, H.263, H.263p and VP8.
Send PPI Header
If enabled, the SIP INVITE message sent to the trunk will contain PPI (P-Preferred-
Identity) header. The default setting is “No”.
Note:
“Send PPI Header” and “Send PAI Header” cannot be enabled at the same time.
Only one of the two headers can be contained in SIP INVITE message.
PPI Mode
• Default – Include the trunk’s preferred CID (configured in Basic Settings)
in the PPI Header.
• Original CID – Include the original CID in the PPI Header.
• DOD Number – Include the trunk’s DOD number in the PPI Header. If no
DOD number has been set, the trunk’s preferred CID will be used.
Send PAI Header
If enabled, the SIP INVITE message sent to the trunk will contain PAI (P-Asserted-
Identity) header including configured PAI Header. The default setting is “No”.
Note: “Send PPI Header” and “Send PAI Header” cannot be enabled at the same
time. Only one of the two headers can be contained in the SIP INVITE message.
PAI Header
If “Send PAI Header” is enabled and “PAI Header” is configured as “123456” for
instance, the PAI header in the SIP message sent from the UCM will contain
“123456”. If “Send PAI Header” is enabled and “PAI Header” is configured as
“empty”, the PAI header in the SIP message sent from the UCM will contain the
original CID.
Note:
“Send PAI Header” needs to be enabled to use this feature
Outbound Proxy
Support
Select to enable outbound proxy in this trunk. The default setting is "No".
Outbound Proxy
When outbound proxy support is enabled, enter the IP address or URL of the
outbound proxy.
Remove OBP from
Route
It is used to set if the phone system will remove outbound proxy URI from the route
header. If is set to “Yes”, it will remove the route header from SIP requests. The
default setting is “No”.
DID Mode
Configure where to get the destination ID of an incoming SIP call, from SIP
Request-line or To-header. The default is set to "Request-line".