With 5G subscriptions forecasted to reach 4.4 bn by 2027, the necessity of converging all services to IP is the need of the hour for Mobile Operator.

Telcovas Session Border Controller (SBC) enables a trusted, carrier grade, real time communications across IP network access borders and interconnect borders including mobile (VoLTE), fixed line and over the top (OTT) services. Telcovas’s SBC is designed with single software application that supports hardware and virtualized deployments. Telcovas SBC ensures high performance, capacity, HA and manageability. The SBC’s also offers the key security, interoperability, quality, revenue/cost optimization and compliance that’s critical to Mobile Operators

Telcovas SBC supported services

  • VoIP
  • VoLTE
  • VoWiFi
  • Video Conferencing
  • Instant Messaging
  • IPTV
  • Fixed –Mobile convergence


  • SIP interworking capabilities
  • Maximize service reach to subscriber endpoints
  • Soft switches
  • IMS CSCF elements
  • AS (Application Servers)
  • MRS (Media and recording)
  • MGW (Media Gateways)
  • SBCs in peering and enterprise networks

Telcovas SBC enables session travers NAT and firewalls, IPv4 or IPv6 networks, public and private networks using overlapping IP addresses, VPNs. Telcovas SBC supports mediation between signalling, transport, encryption protocols; converting inharmonious codes; translates signalling-layer telephone numbers, addresses and response codes.

Architectural flexibility

Telcovas SBC can be configured as

  • Access SBC
  • Interconnect SBC (I-SBC)
  • Or Dual mode SBC to perform both access and interconnect functionality

The SBC simplifies integration of Next Generation network access as it Integrates with standard IMS for access and interconnect borders. Telcovas SBC consolidates service infrastructure of Mobile Operators access borders for public and private internet, enterprise locations, 3G/4G/5G mobile, fixed lines etc…

Full IMS Functionality

Telcovas SBC offers full IMS functionality at

  • Access and interconnect borders to fully control the SIP,
  • Real-time Transport Protocol (RTP),
  • Message Session Relay Protocol (MSRP) traffic flows that comprise IMS sessions

At IMS access borders, the SBC implements

  • signaling and media related IMS functions such as Proxy Call Session Control Function (P-CSCF),
  • Emergency Access Transfer Function (EATF),
  • Break-out Gateway Control Function (BGCF),
  • Access Gateway (AGW),
  • Access Transfer Control Function (ATCF),
  • Access Transfer Gateway (ATGW).

IMS I-SBC functions include

  • Interconnect Border Control Function (IBCF),
  • IWF,
  • Interconnect Border Gateway Function (I-BGF)/Translation Gateway (TrGW).

Deployment Options

  • COTS
  • Virtualized
  • Cloud Native deployment

Inspired Thinking That Simplifies Connections