PBX Settings
→
SIP
Settings
→
ToS
.
•
RFC2833:
Send DTMF using RFC2833.
•
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 RFC2833 if offered. Otherwise, inband will be
used.
Enable Heartbeat
Detection
If enabled, the UCM6200 will regularly send SIP OPTIONS to the device to check
if the device is still online. 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.
P a g e
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UCM6200 Series User Manual
Version 1.0.19.27
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