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Sip Jobs

36 were found based on your criteria

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Hourly - Est. Time: Less than 1 week, Less than 10 hrs/week - Posted
Hello, I have Cisco 3825 and 3750. two sites: 1. Home: 3825+3750+Aironet 2.Office: 3825+3750 This whole setup is to support an Asterisk Based PBX. I have both soft and hard phones. I am having call quality issues where I get many... more

Hourly - Est. Time: Less than 1 week, Less than 10 hrs/week - Posted
I have a Dialer and a IP-PBX that need to send and receive Sip traffic independently from the same Sip Provider. The IP-PBX is currently working, I now need to route the Dialer to a second External Nic on the firewall so we and the Sip Provider can distinguish... more

Hourly - Est. Time: More than 6 months, Less than 10 hrs/week - Posted
The TCP/IP VOIP Engineer will be providing functional and practical analysis related to the installation of the communication networks. The TCP/IP VOIP Engineer will be given the responsibility of Designing, maintaining and improving voice and telephony... more

Hourly - Est. Time: 3 to 6 months, 10-30 hrs/week - Posted
I require the functionality of a secure voice & instant message system that is encrypted with the best available options on the market. PGP / AES / SSL etc. Below are a few logical steps but the scope of work is to commission various servers with very... more

Hourly - Est. Time: Less than 1 week, Less than 10 hrs/week - Posted
I need my Twilio SIP account attached to Vicidial for Termination and Origination (Outbound and Inbound). Please read both the Vicidial documentation and SIP documentation on this before applying. https://www.twilio.com/docs/sip-trunking/sample-configuration http://www.vicidial.org/store.php(The... more