Refer to the exhibit.
A user is going through a series of dialing steps on a SIP Type B IP phone (for example, a Cisco 7975) to call an SCCP IP phone.
Both phones are registered to the same Cisco Unified Communications Manager cluster.
Assuming the calling SIP phone is associated with a SIP dial rule with a pattern value of 2001, which statement about how digits are forwarded to Cisco Unified Communications Manager for further call processing is true?
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A. B. C. D. E.E.
Cisco Type B SIP Phones offer functionality based SIP INVITE Message.
Every key the end user presses triggers an individual SIP message.
The first event is communicated with a SIP INVITE, but subsequent messages use SIP NOTIFY messages.
The SIP NOTIFY messages send KPML events corresponding to any buttons or soft keys pressed by the user.
Cisco Type B SIP IP Phones with SIP dial rules operate in the same manner as Cisco Type A phones with dial rules.