Solve certain problem in Voipswitch - open to bidding


Recently I install my voipswitch for making calling card usign the call back system.

Following are my problem right now.

1. Sometime call back is coming and sometime it don't

2. When using the international trunk, some call is connecting and some don't

3. When I enter the pin code, though it is correct pin code but it say it wrong pin code.

Færdigheder: Ingeniørarbejde, MySQL, PHP, Software Testning

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Om arbejdsgiveren:
( 0 bedømmelser ) Thailand

Projekt-ID: #6045571

4 freelancers are bidding on average $22/hour for this job


A proposal has not yet been provided

$21 USD / hour
(47 bedømmelser)

Hello, Let me introduce myself. I am Tahsinul Alam, completed Masters in Software Engineering now working as one of the project manager of Workspace Infotech, software/Outsourcing firm located in Dhaka, Bangladesh. Mere

$20 USD / hour
(39 bedømmelser)

We comprise a team of young & energetic software professionals having sound knowledge and technical expertise in web development. We are gaining fame for our finesse in project management, professional delivery of proj Mere

$25 USD / hour
(0 bedømmelser)

Dear Sir Hi, Greetings of the day and thanks for sharing these details and allowing me to bid on this assignment. yes we have similar experience and can deliver u as u have mentioned in your requirements. we Mere

$22 USD / hour
(0 bedømmelser)

Hello, I hope you are doing great. I have just read your mentioned requirement and would like to discuss it in detail. I just need your some time to get the better clarity as I have some questions to ask. If y Mere

$20 USD / hour
(0 bedømmelser)