Sip Jobs

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Hourly - Intermediate ($$) - Est. Time: 1 to 3 months, 30+ hrs/week - Posted
Looking to quickly have an install of either Kazoo or FreePBX or Elastix setup in a scalable environment such as the Google Cloud Platform. I have not worked with either platform, but I'd like to hear your thoughts on the pros / cons of each. We will need to connect the platform to 3rd party APIs for mobile/landline detection, SMS/email delivery, and more. The GUI should be able to provide us with easy access to control IVRs, call routing, phone numbers/DNIS, call recording, CDRs, ANI blocking/blacklisting, geo/NPANXX routing, and inbound/outbound carriers Please apply to this job and I can provide you with the detailed outline whats needed from our platform and custom development.
  • Number of freelancers needed: 5
Skills: SIP Asterisk Elastix Freeswitch
Hourly - Entry Level ($) - Est. Time: More than 6 months, 10-30 hrs/week - Posted
We are looking for someone who can manage these services/servers better than us. Service we provide - SIP based intercom service, connected to a central IP-PBX, calls are terminated by 3rd party The job will entail maintenance, updates, upgrades, security, and provide recommendations. ... We provide some services to our customers via our own SIP servers. We provide a service to our customers directly for intercom connection to termination of call via sip Current issues we have - Irregular sip - Server crashed and took 2 days to get running again (possible security issue) - Maintenance, and updates - Prevention against hacking Tasks required for our system administrator ... We provide a service to our customers directly for intercom connection to termination of call via sip Current issues we have - Irregular sip - Server crashed and took 2 days to get running again (possible security issue) - Maintenance, and updates - Prevention against hacking Tasks required for our system administrator
Skills: SIP Apache administration Asterisk HTML5
Fixed Price Budget - Expert ($$$) - $100 to $200 - Posted
Looking for a high-volume auto dialer that is capable of dialing over 1,000,000 phone numbers per day. When people press 1 to confirm their interest, the system will need to Dial a partner's phone # (DID) and blind transfer right away with the caller ID (blindxfer, unless other method is recommended). Speed is critical and the system will likely need to be a pure-Asterisk system with no extra fluff, and a custom dial plan. System needs to be able to handle 300-500+ outbound channels at once with large rate of playback (and hopefully outbound transfers as users press 1 to confirm). Ideally we want to dial out 1-5mil numbers per day and transfer/connect 1-10k press-1's to agents, reliably at-will. If this sounds like something you might've already built in the past or have lots of experience with, please apply for this job. Need a basic solution in place by tomorrow morning if possible, with further refinements over the weekend.
Skills: SIP Asterisk FreePBX Linux System Administration
Fixed Price Budget - Intermediate ($$) - $6 to $2,000 - Posted
We're looking for software developers who have practical experience with Cisco's extended SIP line interface. Requirements: R1. You are an excellent C/C++ programmer (at least 5 years of experience) You meet at least one of the following requirements: R2. ... You have implemented Cisco's extended SIP line interface R3. You have good knowledge about Cisco's extended SIP line interface R4. ... You have worked with Cisco's extended SIP line interface in some way Background: The extended SIP line interface for Cisco provides extensions to the SIP standard.
  • Number of freelancers needed: 11
Skills: SIP