Grandstream Networks UCM630 Series User Manual page 119

setting is enabled.
By default, the UCM630X will route the media steams from SIP endpoints through
Enable Direct itself. If enabled, the PBX will attempt to negotiate with the endpoints to route the
Media media stream directly. It is not always possible for the UCM630X to negotiate
endpoint-to-endpoint media routing. The default setting is "No".
Select DTMF mode for the user to send DTMF. The default setting is "RFC4733". If
"Info" is selected, SIP INFO message will be used. If "Inband" is selected, 64-kbit
DTMF Mode
PCMU and PCMA are required. When "Auto" is selected, RFC4733 will be used if
offered, otherwise "Inband" will be used.
If the phone has an assigned PSTN telephone number, this field should be set to
"User=Phone". "User=Phone" parameter will be attached to the Request-Line and
TEL URI
"TO" header in the SIP request to indicate the E.164 number. If set to "Enable", "Tel"
will be used instead of "SIP" in the SIP request.
When present in an INVITE request, the alert-Info header field specifies and
Alert-Info
alternative ring tone to the UAS.
Enable T.38
Enable or disable T.38 UDPTL support.
UDPTL
SRTP Enable SRTP for the call. The default setting is disabled.
Select jitter buffer method.
Jitter Buffer
Packet Loss
Configure to enable Packet Loss Retransmission.
Retransmission
Video FEC Configure to enable Video.
Audio FEC Configure to enable Forward Error Correction (FEC).
FECC Configure to enable Remote Camera Management.
Access Control List manages the IP addresses that can register to this extension.
ACL Policy
Select audio and video codec for the extension. The available codecs are: PCMU,
Codec Preference PCMA, GSM, AAL2-G.726-32, G,726, G.722, G.729, G.723, iLBC, ADPCM, H.264,
H.265, H.263, H.263p, RTX and VP8.

Disable: Jitter buffer will not be used.

Fixed: Jitter buffer with a fixed size (equal to the value of "jitter buffer size")

Adaptive: Jitter buffer with an adaptive size (no more than the value of "max
jitter buffer").

NetEQ: Dynamic jitter buffer via NetEQ.

Allow All: Any IP address can register to this extension.

Local Network: Only IP addresses in the configured network segments can
register to this extension.
UCM630X Series User Manual
Version 1.0.2.25
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