VoLTE

Aricent’s VoLTE server is available in any CoTS platform and is compliant with the GSMA IR92/IR94 standard. It manages the LTE network for optimal Quality of Service (QoS) usage to ensure high quality for both voice and video. It can also be placed on same hardware as Aricent EPCLite to provide complete core network for VoLTE. It opens interface to IMS Application Servers using ISC to provide value added services to users.

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VoLTE

Aricent’s VoLTE server is available in any CoTS platform and is compliant with the GSMA IR92/IR94 standard. It manages the LTE network for optimal Quality of Service (QoS) usage to ensure high quality for both voice and video. It can also be placed on same hardware as Aricent EPCLite to provide complete core network for VoLTE. It opens interface to IMS Application Servers using ISC to provide value added services to users.

Aricent’s VoLTE server provides both voice and video call connectivity. It enables QoS for LTE/3G networks by interfaces with LTE/3G core using Rx interface with PCRF to enable dynamic QoS for audio and video calls depending on codecs used. IMS core also provides ability to handover calls from LTE to 3G using SRVCC. Even reverse handover from 3G to LTE is possible using reverse SRVCC.

Aricent's VoLTE Core comes with value added application servers like SRVCC server, IP-SM gateways.

Features

Authentication and Registration

  • IMS Authentication and Key Agreement (IMS - AKA) with sec-agree procedures
  • SIP Digest MD5
  • ISIM / USIM based Authentication

Addressing Support

  • SIP
  • TEL
  • E.164

Call Establishment and Termination

  • Basic Call procedures ( Initiate /Cancel /Accept /Reject / Terminate)
  • Reliable provisional responses
  • Session Refresh

Call Types Supported

  • Audio only
  • Audio + Video
  • Add video to an Audio call
  • Remove video from a video call

Precondition Framework

  • Quality of Service for IMS calls

SMS OVER IP

  • Can interface with SMSC using MAP

Benefits

  • Only mode of offering voice in LTE only networks
  • Value added applications for voice can be provided without consideration for roaming agreements
  • Same IMS network can also be used for providing voice over Wi-Fi
  • Provides High quality voice on LTE
  • RCS applications integrated to this can provide rich applications including multi-media applications
  • Can be used to integrate DLNA enabled devices for remote control of the home appliances through mobile networks
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