Skip to content
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

ISC IP multimedia subsystem Service Control interface

The ISC connects the S-CSCF to the Application Server supported either in the 3GPP Home PLMN or a third party network and is based on SIP. The AS may influence the session or service being provided by the S-CSCF across the ISC. In terms of the logic provided by the service environments the ISC will present this in a consistent format to the S-CSCF through a series of SIP methods and responses.
Decoding Telecoms Subscribe

DecodingTelecoms - Term of the week

Get your weekly dose of telecoms terminology delivered straight to your inbox! No spam - just clear-cut telecoms terms to keep you on top of your game.

YouTube Subscribe

Subscribe to our YouTube Channel

With over 200 free videos (and counting!) covering a range of technology topics our channel is the place to be. Subscribe to be the first to know when we release videos.
Free trial of Introduction to 5G

FREE Intro to 5G Sample Course

Use this no-obligation free trial to get a taste of what it’s like to be an Mpirical student. Included with the trial is an all-access pass to our learning platform.

Learn more with Mpirical

We offer a wide variety of live and on demand courses covering 2G, 3G, 4G and 5G, RAN and core-focused training, complementary technologies including Wi-Fi, security and packet transport networks.

View All

Ready to experience Mpirical for yourself?

Start a free trial and experience Mpirical's learning for yourself...