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A1 Call icon

A1 Call

2.1.0 for Android

The description of A1 Call

A1 Call is the most happening mobile dialer in the telecom circles. It is a simple downloadable app that allows you to make VoIP calls from your mobile at low rates with best quality. It works on all Android supported devices with limited internet connectivity via 3G/Edge/Wi-Fi, etc.
The features attached to this dialer give you a rich content for making VoIP calls. VoIP Providers can leverage this app to further their business by connecting to larger user base.
Top Features:
Uninterrupted call connection even in low bandwidth areas
Supportive to codecs : G729,PCMU, PCMA
Latest UI
Loud Speaker
Real-time SIP status messages
SIP based protocol for Signaling
Improved Call History
Works past NAT or Private IP
Compatible with all SIP standard switches
Address Book Consolidation
Automatic Balance Consolidation
Jitter buffer implementation for smooth voice
Encourages use of silent suppression and comfort noise generation to reduce bandwidth usage
Auto detects contacts sourced from phone book
Thus,A1 Call is a comprehensive mobile dialer that makes your VoIP calling effortless and enjoyable
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Additional Information

Previous versions
  • V2.1.0 5.0 MB APK

    A1 Call


    A1 Call 2.1.0 (30)

    Update on: 2016-10-12

    Uploaded by: صلاح الموسوي

    Requires Android: Android 4.0+ (Ice Cream Sandwich, API 14)

    Signature: 7e1119bbd05de6d0cbcfdc298cd282984d4d5ce6 A1 Call 2.1.0(30) safe verified

    Screen DPI: 120-480dpi

    Architecture: armeabi, armeabi-v7a

    File SHA1: 25eac8c358a05bc9874363e0d5813b09b81fda4f

    File Size: 5.0 MB


  • V1.0.1 4.5 MB APK

    A1 Call


    A1 Call 1.0.1 (2)

    Update on: 2016-04-15

    Uploaded by: 陈玉童

    Requires Android: Android 2.0+ (Eclair, API 5)

    Signature: 7e1119bbd05de6d0cbcfdc298cd282984d4d5ce6 A1 Call 1.0.1(2) safe verified

    Screen DPI: 160-320dpi

    Architecture: armeabi, armeabi-v7a

    File SHA1: cc6916c1ce8e807ecddb5da0578fa6c2d2f716ad

    File Size: 4.5 MB


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