SIP gw/customize ASTERISK CHANNEL DRIVER

SIP gw/customize ASTERISK CHANNEL DRIVER

Cancelled

Job Description

Skills Needed
c / unix - other / telephony / tcp/ip / voip / telephone systems

Description
I have a project to develop simple VOIP gateway to bridge voice from SIP phone client to GSM modem, below the requirement and flow

TARGET Requirement:
1 . Standard SIP protocol,
2 . Support SIP TLS
3 . G711/G729 speech coding/decoding to PCM
4 . acoustic echo and noise cancellation
5 . Deliver the source code and installation apps
6. LINUX

flow
SIP CLIENT PHONE <---- (ETHERNET or WLAN)-----> TARGET <-- (AT command + AUDIO IN/OUT)> GSM module

NOTE: We require your CV but attached to your response and you must give details about how your going to complete the job. Any responses without a CV attached will be deleted.

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Skills: unix, voip, linux