Grandstream Networks UCM6510, Руководство пользователя

Страница: 212 / 483

P a g e | 211
UCM6510 IP PBX User Manual
Version 1.0.20.31
their phone, they would mostly call back the number, if the option “Direct
Callback
” is enabled then they will be directly bridged to user 2002
regardless of the configured inbound destination.
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,
OPUS, ILBC, ADPCM, H.264, H.265, H.263, H.263p, RTX, OPUS and
VP8.
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".
DTMF Mode
Configure the default DTMF mode when sending DTMF on this trunk.

Default: The global setting of DTMF mode will be used. The global
setting for DTMF Mode setting is under Web GUI

PBX
Settings

SIP Settings

ToS .

RFC4733 : Send DTMF using RFC4733.

Info: Send DTMF using SIP INFO message.

Inband : Send DTMF using inband audio. This requires 64-bit codec,
i.e., PCMU and PCMA.

Auto : Send DTMF using RFC4733 if offered. Otherwise, inband.
Enable Heartbeat Detection
If enabled, the UCM6510 will regularly send SIP OPTIONS to the trunk to
check connection status. The default setting is "No".
Heartbeat Frequency
When "Enable Heartbeat Detection" option is set to "Yes", configure the
interval (in seconds) of the SIP OPTIONS message sent to the device to
check if the device is still online. The default setting is 60 seconds.
Maximum Number of Call
Lines
The maximum number of concurrent calls using the trunk. The default
settings 0, which means no limit.
Fax Mode
Select Fax mode. The default setting is “None”.

None: Disable Fax.

Fax Detect: Fax signal from the user/trunk during the call can be
detected and the received Fax will be sent to the Email address
configured for this extension. If no Email address can be found for the
user, the Fax will be sent to the default Email address configured in
Fax setting page under Web GUI

Call Features

Fax/T.38 .
SRTP Enable SRTP for the VoIP trunk. The default setting is "No".