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SIP User's Manual
422
Document #: LTRT-65412
MP-11x & MP-124
9.14 Querying Device Channel Resources using SIP
OPTIONS
The device reports its maximum and available channel resources in SIP 200 OK responses
upon receipt of SIP OPTIONS messages. The device sends this information in the SIP X-
Resources header with the following parameters:
telchs:
specifies the total telephone channels as well as the number of free (available)
telephone channels
mediachs:
Below is an example of the X-Resources:
not applicable
X-Resources: telchs=240/100;mediachs=0/0
In the example above, "telchs" specifies the total telephone channels and the number of
free (available) telephone channels (100 channels are available for use out of a total of 240
channels).
9.15 Working with Supplementary Services
The device supports the following supplementary services:
Call Hold and Retrieve (refer to ''Call Hold and Retrieve''
422
on page
)
Call Pickup (refer to “Call Pickup”
425
on page
)
Consultation (refer to “Consultation Feature” on page
425
)
Call Transfer (refer to ''Call Transfer''
426
on page
)
Call Forward (refer to ''Call Forward''
426
on page
)
Call Waiting - 182 Queued Response (refer to “Call Waiting” on
427
page
)
Message Waiting Indication - MWI (refer to “Message Waiting Indication” on page
428
)
Caller ID (refer to “Caller ID” on
428
page
Three-way conferencing (refer to ''
)
Three-Way Conferencing''
431
on page
)
To activate these supplementary services on the device, enable each service’s
corresponding parameter using the Web interface or ini file.
Notes:
•
All call participants must support the specific supplementary service that
is used.
•
When working with certain application servers (such as BroadSoft’s
BroadWorks) in client server mode (the application server controls all
supplementary services and keypad features by itself), the device's
supplementary services must be disabled.
Содержание Media Pack MP-112
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