Cisco Systems 5.x manual Mailbox ID Translation

Chapter 1 Networking in Cisco Unity

Comparison of AMIS, Bridge, and VPIM Networking

Table 1-13	Mailbox ID Translation
AMIS		Bridge	VPIM
Not available.		Prefixes can be defined so that	Additional digits can be automatically
		Cisco Unity subscribers can address	added to the beginning of the mailbox
		messages to Octel subscribers by entering	numbers that are associated with the
		a network address consistent with phone	Cisco Unity sender and remote recipient
		network dial plans.	on messages that are sent from
		All Cisco Unity subscribers are mapped	Cisco Unity subscribers. The same digits
			can be removed from the beginning of the
		to a configurable mailbox and serial
			remote sender and Cisco Unity mailbox
		number value for use when
			numbers for delivery to Cisco Unity
		communicating with Octel servers. This
			subscribers.
		allows any Cisco Unity subscriber to
		represent mailbox X at node serial
		number Y within the Octel network,
		independent of the Cisco Unity
		numbering plan.
Table 1-14	Fax Messaging
AMIS		Bridge	VPIM
The AMIS protocol does not support		Supported.	Supported; however, VPIM supports only
this functionality.			the TIFF-F message format.
Table 1-15	Message Transport Time Considerations
AMIS		Bridge	VPIM
Analog delivery of the message from		Analog delivery of the message from the	Exchange routing time and SMTP
the sending system to the receiving		sending system to the receiving system is	delivery time to a remote VPIM system
system is the most significant		the most significant contribution to	are the only considerations.
contribution to transport time.		transport time.	For example, a five-minute message with
The minimum analog delivery time		The minimum analog delivery time is the	10 recipients would likely take less than
can be calculated by multiplying the		actual recording length of the message.	one minute to transmit.
actual recording length of the		Octel Analog Networking allows a single
message by the number of recipients
		analog transmission of a message
of the message. The AMIS protocol		addressed to multiple recipients, which
requires a separate analog
		the receiving node will deliver to all
transmission of the message for each
		intended recipients.
recipient.		For example, a five-minute message with
For example, a five-minute message
		10 recipients would require a minimum of
with 10 recipients would require a
		5 minutes for the analog transmission.
minimum of 50 minutes for the
analog transmission.

	Networking Guide for Cisco Unity Release 5.x (With Microsoft Exchange)
OL-13844-01		1-11