VoIP PRI Media Gateway

VoIP PRI Media Gateway

SETU VTEP is a compact VoIP solution, dedicated and feature-rich VoIP to T1/E1 PRI Gateway. It is a single-span Gateway offering 30 simultaneous VOIP to ISDN PRI calls. This in-line device sits between ISDN PBX and T1/E1 PRI line to connect PBX users to the IP network for cost-effective communication. For an IP based system, it provides T1/E1 PRI trunking.

The Gateway efficiently delivers toll grade voice quality with industry standard voice codecs and advanced QoS techniques. Multiple mounting options and remote management through web based console add to the operating ease.

The Gateway is suitable for SMBs, large enterprises, VOIP service providers and system integrators for smooth migration to the new age IP telephony. It helps them control the communication overheads and realize an earlier return on investment through advanced features and functionalities. With SETU VTEP, multi-branch offices can use their existing broadband connections to setup cost-effective IP communication among them.


VOIP Gateway for Traditional ISDN PBX

  • VOIP Access for Legacy Phone Systems with T1/E1 PRI Lines
  • Programmable TE/NT Modes
  • Retain Existing PBX Infrastructure and Dialing Habits
  • Use of Existing Terminals for Placing VOIP Calls
  • Network Clock Synchronization for Error free Communication
  • Compatible with other Brand’s ISDN PBXs

ISDN PRI Gateway for IP-PBX

  • ISDN Gateway with PRI Trunking for IP based System
  • Deployable in all SIP based VOIP Networks
  • Connectivity to Traditional and Widespread ISDN PRI Network

Peer-to-Peer Calling

  • Virtually Access Trunk Connectivity of Remote Locations
  • Connect Multiple Branch Offices over Cost-effective IP Network
  • Reduce Higher Inter-network Call Charges
  • Hop-on and Hop-off Calls to and from IP and ISDN PRI Network


  • Up to 30 Simultaneous VOIP to ISDN PRI Calls
  • T1/E1 PRI Port with Programmable TE/NT modes
  • Deployable in all SIP based VOIP Network
  • Register with Multiple SIP Service Providers
  • Simultaneous Peer-to-Peer and Proxy Calling
  • ISDN Network Clock Synchronization for Error free Communication
  • Fax over IP (T.38 and Pass-through)
  • VLAN Tagging for Advanced Networking
  • Restrict Unwanted Calls with a List of Denied Numbers
  • 2,000 Call Detail Records
  • PIN Authentication to Prevent Unauthorized Usage
  • Caller ID Presentation and Restriction
  • SNMP Monitoring
  • TR-069 Auto-configuration
  • VOIP Security over SRTP/TLS Encryption
  • Web based Configuration and Management


SETU VTEP Gateway with 32 VOIP Channels and One T1/E1 PRI Port

VoIP Port:
Protocol SIPv2, SDP, RTP (RFC 2833)
Connector Ethernet (RJ45)
SIP Accounts 32
Echo Cancellation G.168 with up to 128 ms Tail length
Voice Codecs G.711 (A/µ Law), G.723.1, G.729AB, GSM-FR and iLBC

Channels T1- 23B+D, E1- 30B+D
Connector RJ45
Operational Mode Software Configurable NT/TE modes
Switch Variant T1 RBS – AT&T 5ESS, DMS-100, US Ni2 
E1 CAS – ETSI NET5, ITU-T Q.921, ITU-T Q.931
Framing T1 RBS – SF-D4/ESF 
E1 CAS – CEPT1 (with/without CRC) with CAS MF

Power Supply:
Input External Power Adaptor Output: 5VDC@2A
Power Consumption (Typical) 5W (Typical)

Dimension (WxHxD) 16.1×3.0x10.1 cm (6.3”x 1.18”x4”)
Mounting Options Wall Mount, Table Top and Rack Mountable
Operating Temperature 0°C to +45°C (34°F to +113°F)