uTel ultra

- Cải thiện chất lượng âm thanh- Giao diện đồ họa mới- Liên danh sách & danh sách cuộc gọi

uTel ultra is a VOIP dialer that allows to make low cost International calls*. It uses SIP protocol and requires data service of GPRS/3G/4G or WiFi network. This application is designed for VoIP service providers and end users.

Features :

1. VoIP incoming and outgoing call via GPRS/3G/4G or WiFi data service

2. Supported codec: G.729, G.711

3. Support full functional SIP to SIP call with local and remote ring back tone

4. Low bandwidth consumption

5. Smart echo cancellation technique

6. Call using phone contact

7. On screen call time display.

8. On screen balance display.

9. Call logs - incoming and outgoing calls.

* You need a VOIP account to make calls.

* In some countries VOIP is illegal. Please make sure it is legal in your country before downloading it.

Developed by Unique Telecom - www.u-telecom.co.uk