Page 174 of 258 Dialing Plan configuration
•At the branch office, configure the Virtual Trunk to enable calls originating on SRG IP Phones in Normal Mode to reach the branch office. Refer to IP Peer Networking: Installation and Configuration
•At the branch office, configure trunks for access to the PSTN.
•At the main office, configure the branch office zone properties in LD 117, excluding the ZACB and ZDP properties. Refer to IP Peer Networking: Installation and Configuration
•At the main office, configure the routing for PSTN access.
•At the branch office, configure the routing to enable calls made from TDM or IP Phones in Local Mode to access the PSTN.
•Configure IP Phones with the same zone number at both the main office and the branch office. Nortel also recommends that the Prime DNs be the same at both the main and the branch offices. If different DNs are configured, the
•Assign unique individual DNs as Branch User Identities (BUID) to Automatic Call Distribution (ACD) telephones.
Configuring the dialing plan
The steps to configure the dialing plan for SRG PSTN access are:
•At the main office (see Procedure 11 on page 175):
1 Configure the ZACB property for the branch office zone.
2 Configure the ZDP property for the branch office zone.
3 Configure the Route List Index.
4 Configure the ESN Special Number and Digit Manipulation.
•Configure the NRS (see Procedure 12 on page 184).
1 Access NRS Manager.
2 Select an endpoint.
3 Configure the Numbering Plan Entry for the branch office.