Sip Jobs

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Hourly - Intermediate ($$) - Est. Time: 1 to 3 months, Less than 10 hrs/week - Posted
We are looking for a SS7 VoIP Expert to help us building a SS7 interconnection solution with the major local telecom operators, both fixed and mobile. We have acquired a CISCO AS5400 with 16 PRI interfaces, so one of the options would be to use the PGW 2200, but we lack both the know-how and the software, need help in both. We also consider alternatives (Sangoma, Squire, jss7, chanss7, openss7), but having the Cisco AS5400 already bought, we would like to integrate it and make use of its E1 interfaces.
Skills: SIP Cisco IOS VOIP Administration VOIP Software
Fixed-Price - Expert ($$$) - Est. Budget: $2,000 - Posted
For this feature we need a consultant who has experience in successfully setting up SIP or WebRTC based VOIP systems. The consultant also needs to guide the iOS and the Android development team on the client libraries to use to connect to the server (like SIPDroid C-SIP in Android and PJSIP in iOS or LinPhone on both platforms) The VOIP feature should work in all countries and between all combination of networks like the below (see PDF attached). ... The consultant also needs to guide the iOS and the Android development team on the client libraries to use to connect to the server (like SIPDroid C-SIP in Android and PJSIP in iOS or LinPhone on both platforms) The VOIP feature should work in all countries and between all combination of networks like the below (see PDF attached).
Skills: SIP VOIP Administration VOIP Software
Hourly - Intermediate ($$) - Est. Time: 1 to 3 months, 10-30 hrs/week - Posted
We are a looking for a VoIP expert with project management experience to lead our deployment of voice services in Vanuatu. Experience with SS7 necessary to enable with other local carriers. Project is partially complete, however we need to engage someone part-time based in a similar time zone to oversee the 2 engineers working on the project, align the tasks and dependencies, and provide guidance/technical advice when required. Platform being deployed is Elastix /A2Billing. 5-10 hours per week required for 1-2 months. Aiming for soft launch of phase 1 services by early June (international calls and on-net calls), with interconnection with local carriers to follow afterwards. Substantial progress has already been made in setting up the platforms and testing them, we primarily need project leadership for the remaining stages and assistance with troubleshooting.
Skills: SIP A2Billing Elastix VMware ESX Server
Fixed-Price - Intermediate ($$) - Est. Budget: $100 - Posted
We are Looking to setup our own virtual PBX based on one of the open source (such as asterisk) We are looking to have our PBX where client can call a number and get auto attendent and various of other features like call hold, music on hold, transfer call, call merge etc. The system will work the following way: Caller > auto attendent > #ext > forward to a 3rd party number.
Skills: SIP Asterisk VOIP Administration VOIP Software
Hourly - Intermediate ($$) - Est. Time: 1 to 3 months, 30+ hrs/week - Posted
Looking to quickly have an install of either Kazoo or FreePBX or Elastix setup in a scalable environment such as the Google Cloud Platform. I have not worked with either platform, but I'd like to hear your thoughts on the pros / cons of each. We will need to connect the platform to 3rd party APIs for mobile/landline detection, SMS/email delivery, and more. The GUI should be able to provide us with easy access to control IVRs, call routing, phone numbers/DNIS, call recording, CDRs, ANI blocking/blacklisting, geo/NPANXX routing, and inbound/outbound carriers Please apply to this job and I can provide you with the detailed outline whats needed from our platform and custom development.
Skills: SIP Asterisk Elastix Freeswitch
Fixed Price Budget - Intermediate ($$) - $200 to $300 - Posted
Plivo integration with existing website and MySQL database using PHP. Purpose of integration is to develop outbound voicemail system that will send periodic voicemail messages to clients and manage follow-up messaging system. This development should include suggestions on how to improve existing MySQL database structure to facilitate on-going contact management. End user will be using the system to prospect for new clients by sending voicemail messages of pre-recorded audio messages. Once a voicemail message has been successfully sent, the PHP code must document the date and time that the message was sent to the prospective client so that a follow-up date is always updated for future voicemail broadcast. The end user should be able to choose the follow-up date for the entire list of recipients and, also, be able to remove recipients from the distribution list. The system should allow for multiple distribution lists at any time. The voicemail messaging system should be automated to the point that end user can put any client on a multi-touch voicemail broadcast campaign and the system will not send any voicemail message until a new audio message is uploaded by the end user. Please specify a lump sum amount for your proposal or you will be disqualified. Please let us know if you have any further questions.
Skills: SIP Asterisk CSS3 Freeswitch
Fixed-Price - Entry Level ($) - Est. Budget: $1,000 - Posted
LET YOUR I.T. KNOWLEDGE GRAB YOUR SHARE OF THE GROWING INTERNATIONAL CELLULAR TELECOM REVENUE - This is a FT or PT opportunity for candidates located in AFRICA (mainland and Islands) and the other countries listed at the end of this message. - Earn a minimum of $ 1,000 USD for the first month. - Expect at least usd$ 5,000 monthly thereafter. Very likely to increase to $10,000+ - Your income depends solely on the quality, consistency and results of your work, which will be measured daily by our Network Operations Center staff. - This by no means involves sales; we have already a long time agreement with international carriers that provide the revenue. - Knowledge of the local cellular market and rates is a plus. - Top Quality internet bandwith is a must (you either have it, or you get it) - To qualify please note that you must be located in any of the following places: AFRICA (mainland and Islands), except for Southafrica; Algeria, Angola, Anguilla, Armenia, Ascension, Barbados, Belarus, Belize, Bolivia, Cambodia, Ecuador, El Salvador, Eritrea, Fiji, Georgia, Guatemala, Hhaiti, Honduras, Iraq, Jamaica, Jordan, Kyrgyzstan, Lebanon, Nepal, Nicaragua, Oman, Philippines, Qatar, Samoa, Sao Tome, Tajikistan, Ukraine, Yemen If you consider you meet this requirements, let us know promptly, and we will send you more details. Thank You
Skills: SIP Cisco IOS IT Management Telecommunications Engineering