Routing calls in a network

A method comprising:

• determining, based on a query, whether:
• a particular Internet protocol multimedia subsystem (IMS) related service is invoked by a called party or a calling party of a call associated with the query, and
• the called party is an IMS subscriber;
• and
• causing processing of the call to bypass a portion of the IMS associated with providing IMS related services to route the call to the called party when the particular IMS related service is not invoked and the called party is not the IMS subscriber.

A non-transitory computer-readable medium comprising:

• one or more instructions that, when executed by one or more processors, cause the one or more processors to:
• determine, based on a query, whether:
• a particular Internet protocol multimedia subsystem (IMS) related service is invoked by a called party or a calling party of a call associated with the query, and
• the called party is an IMS subscriber, and
• cause processing of the call to bypass a portion of the IMS associated with providing IMS related services to route the call to the called party when the particular IMS related service is not invoked and the called party is not the IMS subscriber.

A network device comprising:

• a processor to:
• determine, based on a query, whether:
• a particular Internet protocol multimedia subsystem (IMS) related service is invoked by a called party or a calling party of a call associated with the query, and
• the called party is an IMS subscriber, and
• cause processing of the call to bypass a portion of the IMS associated with providing IMS related services to route the call to the called party when the particular IMS related service is not invoked and the called party is not the IMS subscriber.