A SIP Client application for IOS and Android is required with the following features.
- Can use any opensource SIP SDK for developement
- Support for G729 and G723
- Should work with any standard SIP Soft Switch (Asterisk)
- Soft Switch's IP Address should be embedded in the Code.
- User should be prompted to give in Username and Password Only.
- We currently are looking forward to have it working with A2Billing.
- Account Balance and Calling destination should be displayed on the screen upon dialing the number.
- Should have the functionality of working in blocked regions.