uTel ultra

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 service2. Supported codec: G.729, G.7113. Support full functional SIP to SIP call with local and remote ring back tone4. Low bandwidth consumption5. Smart echo cancellation technique6. Call using phone contact7. 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

Category : Communication

Reviews (19)

Aji. R. Jul 20, 2017

I am using latest version but UI doesn't change. Also been voice delay.

Abd. K. N. Jun 2, 2017

Sir I like to purchase this app.. can you pls give contact mail.

Moh. H. s. Jun 6, 2017

Hearing voice cracked in wifi

Nav. A. Nov 16, 2017

whats the operator code

Sha. A. Feb 22, 2017

Thanks for u Tell ultra, such a amazing app and it makes my calling problem easy and convenient. Thanks again and plz try this app

New. S. Jun 17, 2017

good one, i am using from long time and didn't face any problem. also the voice is very clear.

A. G. u. May 2, 2017

Don't register from two days ego only showing finding sever

A. G. u. Jan 19, 2017

Was before update that time is working good but now never

Hus. k. May 2, 2017

Now not working in UAE just finding nearest server

Moh. F. Mar 17, 2017

I want only calling clearly

Sha. M. Apr 1, 2017

Its imp that whn we keep such kind of apps we want call clearity its uselesssssss my family cannot hear me only this aap is nt usefull always network problem

Riy. A. May 2, 2017

Very bad Apps

Sri. P. May 23, 2017

its not working 👎

A. G. u. Mar 1, 2017

Best

Pro. B. Feb 22, 2017

Not working pls solve this

Jay. 2. Dec 9, 2016

its bad..every 2 minutes the person on the other side can't hear us.can u guys fix it?

Pra. P. Feb 17, 2017

Before good working but not working in UAE pls check and solve this

Nis. J. Jun 24, 2017

Its not working and showing that operator code is disabled.

Har. P. Apr 1, 2017

Thank