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Voip Software Jobs

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Hourly - Est. Time: Less than 1 month, 10-30 hrs/week - Posted
We are seeking a consultant to provide ongoing customization and support of an existing Asterisk phone system on a part-time, as-needed bases. Some of the current issues with which we need assistance: Troubleshooting issues with VOIP trunks causing performance issues for Asterisk (currently disabled.) Troubleshooting dial plans to determine why some calls are delayed for long periods (10 seconds or more in some cases) before ringing starts. Troubleshooting local long distance calls ringing with No Answer rather than returning recording from telco stating that a 1 must be dialed. Customizing Voicemail to no longer say "Comedian Mail" but to say company name instead. Functionality for deleting voicemail from URL in email (email link is fine, but needs to be secure/nonguessable ID in link) and Asterisk changes message IDs with each deletion. Clicktodial application for identifying phone numbers in a web page and click to dial (Like Noojee for Asterisk but this does not work...
Hourly - Est. Time: Less than 1 month, 30+ hrs/week - Posted
i need some kind of bandwidth compression system ( upto 60-80% than usual SIP calls )from Server A to Server B. Server A = Asterisk server Server B = Asterisk Client server Explanation of scenario: 1. server A ( asterisk server, with static IP) receiving VoIP calls , with sip protocol, using G711,G729 and/or G723.1 codec and sending calls to Server B 2. Server B ( Asterisk server with PRIVATE NETWORK IP), receiving calls from server A and sending to gateways (quintum gateway for example) or E1 cards. 3. Number of Server B can be unlimited. 4. Number of Gateways/E1 cards per server B can be unlimited 7. Server A to Server B voice traffic will be encrypted so that voice port blocked bandwidth can be used for termination. we will used . A. iax2 trunks in trunking mode. ( May be need to customize IAX2) B. Open vpn static mode and dynamic mode 8. Asterisk web billing gui for adding gateways. Adding client , Prefix , dialing plan viewing active calls, billing cdr ,etc. we...
Hourly - Est. Time: More than 6 months, 10-30 hrs/week - Posted
Hello, we are looking for some Cisco Voice experts who can provide ad hoc Cisco VoIP Support: troubleshooting, using support software, installing updates and version upgrades, adding new users and handsets. - Need to be a CCNP or CCIE in Voice - Familiarity with deploying and managing Call Managed, Call Manager, Unity, or BE6Ks will make you a good candidate for this role. - Will connect you to a local machine via Team Viewer or similar so you can connect into the devices. Please describe your experience working with and supporting these devices.
Hourly - Est. Time: Less than 1 week, Less than 10 hrs/week - Posted
I have an Asterisks PBX and a Vicidial predictive dialer and I need help configuring these servers and some special functions that I need the PBX to Show Local Caller IDs when calling Local area codes. I also need help with recording which of my call back number(s) the inbound callers use to contact us. We have some code to use our Asterisks PBX to recognize the inbound callers ID and pop up their Caller ID data and all information we have in our data base to know which agent spoke to the caller and what notes we have in the db for this potential client... I would like to speak to some knowledgeable programmers to and assign some tasks to know who can help us with these servers and programs long term.