Cisco Systems manual Cisco BTS 10200 Softswitch-Based Features

Chapter 2 SIP Protocol Subscriber Features

Cisco BTS 10200 Softswitch-Based Features

Figure 2 shows how an incoming request is processed, and the role of the Authentication Service in the Cisco BTS 10200.

Figure 2 Authentication and Processing of an Incoming Request (e.g. INVITE)

		Cisco BTS 10200
SIP Phone 1		Softswitch
		SIP Phone 2
IP		IP
	Invite
	401
	ACK
	Invite
		Invite
		200
	200	ACK
	ACK	BYE
		401
		BYE
	BYE	200
		87898
	200

Cisco BTS 10200 Softswitch authenticates IP phones by using the MD5 digest defined in RFCs 3261 and 2617. The Cisco BTS 10200 verifies a user’s credentials on each SIP Request from the user.

For more information, refer to the “User Authentication” section on page 5-29 .

Cisco BTS 10200 Softswitch-Based Features

Softswitch-based features are directly provided by the Cisco BTS 10200 Softswitch. SIP phones may provide some features on their own; for information on the features provided by the different SIP phones, refer to the SIP phone administration guides.

This section describes Softswitch-based features entirely provided by the Cisco BTS 10200 Softswitch.

For information on MGCP features in previous Cisco BTS 10200 releases, and how they compare with SIP features in Release 4.4, refer to Appendix A, “MGCP Features vs. SIP Features.”

Note Cisco BTS 10200 Softswitch Announcements are customizable on a business group basis. If an announcement is not provisioned or cannot be played, a reorder tone is played.

Activation and Deactivation of Anonymous Call Rejection

Anonymous Call Rejection (ACR) activation and deactivation is supported through a feature (*) code. It is supported on a SIP endpoint, and supports single-stage dialing.

Cisco BTS 10200 Softswitch SIP Protocol User Guide

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