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IP to PSTN

muhammadusman77
Level 1
Level 1

my ip phone can call each other perfectly but when i cal from my IP phone to my PSTN phone into my local exchange then IP phone,s person voice cannot listen at PSTN side but PSTN side phone,s person can listen IP phone,s person voice.

means IP phone side voice is not going to PSTN side phone.

please tell me any possible solution.

it will be highly appreciated.

1 Reply 1

Terry Cheema
VIP Alumni
VIP Alumni

Whats your call control server CUCM/CUCME? What's your Voice gateway H323/SIP, whats PSTN connectivity through SIP/E1, call flows etc?

The more info you provide the better we can help you.

-Terry

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