Table 56: Sip Register Trunk Configuration Parameters - Grandstream Networks UCM630 Series User Manual

Packet Loss
Configure to enable Packet Loss Retransmission.
Retransmission
Select jitter buffer method.
Disable: Jitter buffer will not be used.
Fixed: Jitter buffer with a fixed size (equal to the value of "jitter buffer size")
Jitter Buffer
Adaptive: Jitter buffer with an adaptive size (no more than the value of "max jitter
buffer").
NetEQ: Dynamic jitter buffer via NetEQ.
Audio FEC Configure to enable Forward Error Correction (FEC).
Video FEC Configure to enable video FEC.
FECC Configure to enable Remote Camera Management.
Basic Settings
Configure a unique label to identify this trunk when listed in outbound rules,
Provider Name
inbound rules etc.
Configure the IP address or URL for the VoIP provider's server of the trunk.
Host Name
Configure the SIP transport protocol to be used in this trunk. The default setting is
"UDP".

Transport


SIP URI Scheme When TLS is selected as Transport for register trunk, users can select
When Using TLS between SIP and SIPS URI scheme
Keep the CID from the inbound call when dialing out. This setting will override
"Keep Trunk CID" option. Please make sure that the peer PBX at the other side
Keep Original CID
supports to match user entry using "username" field from authentication line.
If enabled, the trunk CID will not be overridden by extension's CID when the
Keep Trunk CID
extension has CID configured. The default setting is "No".
Turn on this option when the PBX is using public IP and communicating with
NAT devices behind NAT. If there is one-way audio issue, usually it is related to NAT
configuration or SIP/RTP port configuration on the firewall.
If selected, the trunk will be disabled.
Note:
Disable This Trunk
If a current SIP trunk is disabled, UCM will send UNREGISTER message
(REGISTER message with expires=0) to the SIP provider.
If the trunk has an assigned PSTN telephone number, this field should be set to
TEL URI
"User=Phone". Then a "User=Phone" parameter will be attached to the Request-

Table 56: SIP Register Trunk Configuration Parameters

UDP
TCP
TLS
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