Voip Switch Developer with 503

Need Voip switch developer with 503 And many many more features. The list of features needed for the switch are stated below: Add and edit termination IP and prefixes Add and edit origination IP and prefixes Add numbers, mass upload, and range upload (numbers will be uploaded to a master/ main list and individual lists) Add numbers to individual origination IP Individual and mass allocation of test numbers A test account which will show the active call, stats, and CDRs (for the test numbers) Single and multiple allocations of numbers to termination IP, numbers will be grouped according to their codes. Single and multiple deletions of numbers from origination IP and termination IP Multiple rate sheets with multiple payments terms (for e.g. 7/1 and 30/30) Rate and payment term update by uploading rate sheet Block country codes and individual CLIs from origination IP Block country codes and individual CLIs to termination IP Show active calls Download CDRs with additional filters like date range, client, supplier, number, CLIs, number, and number group. Show stats Error logs, log for the calls not connected Addition of IVR / audio file for origination IP A client portal where the client can see the number and numbers groups allocated to their IP, stats with the filters as stated in point 14, active calls, test account, notifications, and access list. Finance module/ billing page Upload and auto access list (this would show all connected calls with the group name, test number of the number group, CLI with 4 numbers removed from the end, and the source country) Global and individual News & Notifications Error logs, with filters - Period, origination IP Make Outgoing calls Database access Manage calls with limits Calls should be disconnected in random durations, the maximum duration being 30 min 503 enabled, if number not in the list for the origination IP call rejected with 503 rerelease code