Hypermedia gsm Gateway setup and costumization

i have hypermdia hg4000 series

i need to configure hypermedia gsm gateway to work fro call termination. with the following features.

the most important :

1-configure the gw to with my softswitch to reicieve calls ( need setup because internal router is reset)

also i would prefer the following features

1-topup by sms

2-create costum ussd scritps to automate running on sim cards.

3-abilty to change multiple imeis at once.

every new feature is welcomed.

Skills: Android, Asterisk PBX, PHP, Software Architecture, VoIP

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About the Employer:
( 0 reviews ) United Arab Emirates

Project ID: #15437870

4 freelancers are bidding on average $165 for this job

$155 USD in 3 days
(26 Reviews)

interested to do the job Expérience et Compétences appropriées linux, asterisk , voip ,softswitch ............. Étapes proposées $198 USD - 1

$198 USD in 3 days
(22 Reviews)

i can develop this for you Relevant Skills and Experience i have an experience of 1.5-2 years in this field Proposed Milestones $150 USD - 1 sir i did projects like this kindly reply i want to discuss it with you

$150 USD in 3 days
(18 Reviews)
$155 USD in 3 days
(3 Reviews)