Released on: 27, February 2009
, Author: Media Team
, Audience: Software related
A new version of Endura Mobile Dialer has been released by Ascent Telecom. The new version is Endura Mobile Softphone S.2.0 . This new version now supports G.729b and AMR codecs. And addition to which Endura Mobile now also supports DTMF.
G.729 is an audio data compression algorithm for voice that compresses voice audio in packets of 10 milliseconds duration. G.729b codec make sure that the voice calls are traversed consuming very low bandwidth. Because of low bandwidth consumption, the Endura Mobile Softphone now provides good voice quality through low bandwidth GPRS connections.
Both G.729 and AMR codec make sure that Endura Mobile Softphone is 3G ready. 3G is the third generation of tele-standards and technology for mobile networking, superseding 2.5G. It is based on the International Telecommunication Union (ITU) family of standards. 3G networks enable network operators to offer users a wider range of more advanced services while achieving greater network capacity through improved spectral efficiency.
Endura Mobile Softphone uses SIP protocol and is supported to run on following Nokia models successfully:
Phone Models with Symbian S60 3rd Edition Initial Release - 3250, 5500, E50, E60, E61i, E61, E62, E65, E70, N71, N73, N77, N80, N91 8 GB, N92, N93, N93i
Phone Models with Symbian S60 3rd Edition Feature Pack 1 - 5700 Express Music, 6110 Navigator, 6120, 6121, 6124, 6290, E51, E63, E66, E71, E90, N76, N82, N95-3 NAM, 95-8GB, N81, N81 8GB, N95
Phone Models with Symbian S60 3rd Edition Feature Pack 2 - 5320 Xpress Music, 6210, 6220, 6650, N78, N79, N85, N96, N96-3
About AMR Codec
Adaptive Multi-Rate (AMR) is a patented audio data compression scheme optimized for speech coding. AMR is adopted as the standard speech codec by 3GPP (3rd Generation Partnership Project) that is applicable for 3G monile phone systems. 3GPP is now widely used in GSM (Global System for Mobile Communications) and UMTS (Universal Mobile Telecommunications System). AMR utilizes Discontinuous Transmission (DTX), with Voice Activity Detection (VAD) and Comfort Noise Generation (CNG) to reduce bandwidth usage during silence periods.
ABOUT ASCENT TELECOM
Ascent Telecom is a Global provider of VoIP Software Products, Solutions & Services to Service Providers . Founded in year 2000, Ascent Telecom has more than 300 customers presence in over 30 countries. Ascent sell it s offerings either by selling it s software or by providing an option of Hosted VoIP Softswitch & Billing, to it s targeted customers (Service Providers). Ascent has full range of VoIP Software, including but not limiting to Mobile Softphone for GSM Mobile Phones, SIP Softphone for PC & Desktops, VoIP Billing, Class 5 SIP Softswitch (SIP Proxy Server & Media Proxy Server) & Hosted VoIP Softswitch & Billing. These software collectively, lets the service providers offer a full range of VoIP services to their customers.
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