Tekelec Buys IMS Know-How

Follows in NetCentrex's footsteps by acquiring a specialized VOIP systems player with IMS-compliant technology

August 5, 2005

2 Min Read
Tekelec Buys IMS Know-How

Tekelec Inc. (Nasdaq: TKLC) has become the second VOIP equipment vendor in a matter of weeks to buy a startup because of its IP Multimedia Subsystem (IMS) capabilities (see Tekelec Reports Q2, Buys SIP Vendor).

The signaling and softswitch firm says it is paying $11 million in cash and stock for European specialist iptelorg GmbH specifically for the Call Session Control Function (CSCF) functionality built into its VOIP infrastructure.

Tekelec says iptelorg has developed functionality for a number of different IMS elements: the Proxy CSCF (P-CSCF); Serving CSCF (S-CSCF); Interrogating CSCF (I-CSCF); and Breakout Gateway Control Function (BGCF), which controls the transfer of calls to and from the PSTN (see IMS Guide).

Iptelorg's SIP-based technology has already been deployed at service providers such as T-Online and EarthLink Inc.

CSCF capabilities play a critical role in the proposed IMS architecture, which will allow service providers to develop services that can be used by fixed and mobile users alike (see IMS Takes Over the World).

And that's one of the key reasons European softswitch vendor NetCentrex SA announced just last week that it is buying session border controller NeoTIP SA for an undisclosed sum (see NetCentrex Acquires IMS Smarts).

Tekelec says it has been working with iptelorg for about a year and has licensed the startup's technology. "What became clear to us was that we wanted to do more than license this technology," said Fred Lax, Tekelec CEO, in a prepared statement. "We wanted to own it, build on it, and make it a central part of our IMS strategy."

Tekelec claims a "Tier 1 U.S. operator is trialing this SIP routing technology as part of a Tekelec IMS solution."

Heavy Reading analyst at large Graham Beniston, who has produced a number of in-depth studies on the VOIP equipment sector, says that adopting an IMS strategy is the only way forward for all the softswitch vendors, of which there are at least 40 (see Who Makes What: VOIP Infrastructure Equipment).

— Ray Le Maistre, International News Editor, Light Reading

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