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Polycom CMA System Operations Guide
58 Polycom, Inc.
a If the guest has an H.323 (IP) endpoint, configure these settings:
b If the guest has a SIP (IP) endpoint, configure these settings:
Field Description
Number and
Number Type
The specific dial string for the guest, and the
format of the number that the MCU must resolve
to contact the guest. This may be an IP address,
E.164 address, H.323, or Annex-O.
For Annex-O dialing, in the Number field enter
the
H.323.alias@IP
, for example:
• 1001@11.12.13.14
• 1001@domain.com
• username@domain.com
• username@11.12.13.14
Notes
• Polycom endpoints must register with a
gatekeeper before they will attempt an
Annex-O call.
• You can enter a dial string for another MCU as
a guest. If so, you may need to specify the
conference ID in the Extension field also.
Extension Use this field to connect the conference to
another conference on another MCU. In this field,
specify the conference ID or passcode for the
conference on the other MCU.
MCU Service Choose from the list of MCU services defined on
the MCUs with which the CMA system is
registered. Leave this at Any Available Service
unless you have specific knowledge of MCU
services.
Field Description
Sip URI The SPI URI the MCU must resolve to contact the
guest.
MCU Service Choose from the list of MCU services defined on
the MCUs with which the CMA system is
registered. Leave this at Any Available Service
unless you have specific knowledge of MCU
services.