IP MULTIMEDIA SUBSYSTEM APPLICATIONS
IMS Services











VoLTE TAS AND MESSAGING FOR IMS
Upgrade your IMS voice and messaging services with WTL
Compliant with 3GPP and GSMA standards
Our IMS voice solutions are built for full compliance with core standards, providing a safe evolution path to the next generation.
Multi-generation solution
Support different voice services in a single platform. WTL’s architecture gives you the flexibility to deliver multiple voice variants in parallel, or as part of planned upgrades. This gives you an efficient way to evolve voice alongside other 4G and 5G investments.
Launch enhanced voice services
Move into all-IP IMS-based applications with WTL and deliver enhanced voice and video services for consumer and business customers. WTL’s solutions integrate with your existing IMS core and deliver outstanding quality and performance, supporting your evolution while protecting your existing investments. CSFB is supported for legacy devices and networks.
Upgrade your messaging services
Deliver all-IP messaging to complement VoLTE / VoNR services and enable enhanced features and functionality.
A complete IP-based messaging system
Compatible with your IMS investments, WTL’s SMS over IP solution enables messaging over 4G, 5G and Wi-Fi networks. It includes all standard components, with the integrated IP-SM-GW for interworking with legacy SMS for comprehensive service delivery.
Combine IP and SS7-based messaging
WTL offers an integrated approach – so you can cover all your networks with a single solution. Replace legacy solutions and consolidate services into a solution that combines legacy and IP messaging for both P2P and A2P traffic, providing seamless coverage and scalable support with cloud-native architecture for your evolved network.
UPGRADE YOUR NETWORK WITH IMS SOLUTIONS FROM WTL
Cloud native voice and messaging solutions

Rapid transition to VoLTE
Easily add VoLTE services to your IMS and upgrade your core voice offers to the latest generation.

Get ready for VoNR
Our solutions include standards-compliant Voice over New Radio, providing a ready-made solution for native 5G voice.

SMS over IP
Next generation all IP messaging solutions for your network, fully aligned with your IMS core investments.

High-performance and scalability
Our solutions deliver outstanding performance and scale gracefully, allowing you to easily match capacity to traffic volumes.
Global operators depend on WTL
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Frequently Asked Questions: IMS Voice and Messaging Solutions
FAQs
Interested? Do you have questions? Check out some of the questions we’re most frequently asked to discover more. If you still can’t find what you are looking for, get in touch – and we’ll be glad to answer your query.
Yes, WTL supports both classical, SS7-based and IP-based messaging. You can retire legacy platforms, adopt WTL’s SMSC platform – and extend the same platform to cover your IP networks and IP-enabled UEs.
Our VoLTE / ViLTE and VoWiFi solution is fully compliant with all relevant GSMA and 3GPP standards, which means you can deliver a complete service for your customers. It will evolve hand-in-hand with the specifications, so you can easily maintain compliance as you upgrade your network.
WTL’s VoLTE solution also offers full support for the IMS-based 5G New Radio service, so you can easily add support for this when you need to do so.
Our architecture enables seamless scalability – so you easily support service growth. You can run our solutions alongside legacy platforms and migrate users as IP-UE penetration increases, or swap out legacy infrastructure to converge on WTL’s solution set.
Not at all. We have proven interoperability with different IMS platforms, so you can deploy our IMS service solutions today and migrate to a new IMS core whenever you like.
From GSMA, we follow PRD IR.92 and PRD NG.114, for example, while we also adhere to 3GPP TS 23.204 and TS 23.228, among others, for the overall IMS architecture and service principles. For a full list of standards we support, please ask our team.


