Bitswap

ephone-dn s and dial-peers

Posted by Andy on May 16, 2009

Cisco Unified CME automatically creates one POTS dial peer for each ephone-dn when it is assigned a primary number. If the ephone-dn is assigned a secondary number, it creates a second POTS dial peer. If the dialplan-pattern command is used to expand the primary and secondary numbers for ephone-dns, it creates two more dial peers, resulting in the creation of the following four dial peers for the ephone-dn:

•A POTS dial peer for the primary number

•A POTS dial peer for the secondary number

•A POTS dial peer for the primary number as expanded by the dialplan-pattern command

•A POTS dial peer for the secondary number as expanded by the dialplan-pattern command

Call forwarding is normally applied to all dial peers created for an ephone-dn. Selective call forwarding allows you to apply call forwarding for busy or no-answer calls only for the dial peers you have specified, based on the called number that was used to route the call to the ephone-dn.

For example, the following commands set up a single ephone-dn (ephone-dn 5) with four dial peers:

telephony-service

dialplan-pattern 1 40855501.. extension-length 4 extension-pattern 50..

ephone-dn 5

number 5066 secondary 5067

via Cisco Unified Communications Manager Express System Administrator Guide – Configuring Call Transfer and Forwarding  [Cisco Unified Communications Manager Express] – Cisco Systems.

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