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Cisco 2821 E&M - Philips Sopho S Integration Problem

Dear experts,

I am doing voice over IP PoC integrating Cisco 2821 to PABX Philips Sopho S using E&M module. My configuration and debug such as attached. the topology is as below :

(Analog Phone extension 27111) --- (Router 2821 FXS 0/1/0) --- (E&M port 0/1/0) ---- PBX ---- (Analog Phone extension 14032)

1. Call from PBX to router

PBX setting is to use 271xx in order to use the E&M trunk, but still I cannot receive digit from it. When I used connection PLAR 27111 at the E&M port 0/1/0, the call is established after I pressed 271 from the PBX Analog phone.

2. call from Router to PBX

I heard tone such as the number dialed is not known.

Is there anything that I missed or I can test?

Thanks for the help


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