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Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for MGCP (version 3.0)
OL-4803-01
Chapter 5 Parameters and Defaults
Operational Parameters
• Bit 15—Use special character O.
• Bit 16—Use special character P.
Note The Cisco ATA supports the Bellcore FSK method to turn on/off the visual message waiting indicator
(VMWI) on a phone when the Cisco ATA receives MWI messages from a server. The Bellcore FSK
VMWI is enabled automatically if the CallerIdMethod parameter is configured to use the Bellcore
method.
If method=1, set the following bits:
• Bit 2—Reserved.
• Bits 3-6—Start digit (valid values are 12 for “A,” 13 for “B,” 14 for “C,” and 15 for “D.”)
• Bits 7-10—End digit (valid values are 11 for “#,” 12 for “A,” 13 for “B,” 14 for “C,” and 15 for
“D.”)
• Bits 11—Polarity reversal before and after Caller ID signal (value of 0/1 disables/enables polarity
reversal)
• Bits 12-16—Maximum number of digits in phone number (valid values are 1 to 20; default is 15)
• Bits 17-19—These bits are for the Start digit for unknown or restricted telephone numbers (valid
values are 4 for “A,” 5 for “B,” 6 for “C,” and 7 for “D.”).
• Bits 20-22—These bits are for the End digit for unknown or restricted telephone numbers (valid
values are 3 for “#,” 4 for “A,” 5 for “B,” 6 for “C,” and 7 for “D.”).
• Bits 23-24—These bits are for the code that the Cisco ATA should send to the CID device if the
telephone number is unknown (valid values are 0 for “00”, 1 for “0000000000”, and 2 for “2”). The
value of 3 is reserved and should not be used.
• Bits 25-26—These bits are for the code that the Cisco ATA should send to the CID device if the
telephone number is restricted (valid values are 0 for “10”, and 1 for “1”). The values of 2 and 3 are
reserved and should not be used.
• Bit 27—Reserved.
• Bit 28—Set to 1 to disable call-waiting caller ID on the Phone 1 port of the Cisco ATA.
• Bit 29—Set to 1 to disable call-waiting caller ID on the Phone 2 port of the Cisco ATA.
• Bit 30—Set to 1 to disable the callee-ID feature on the Phone 1 port of the Cisco ATA.
• Bit 31—Set to 1 to disable the callee-ID feature on the Phone 2 port of the Cisco ATA.
If method=2, set the following bits:
• Bit 2—Set to 0 to have the Cisco ATA transmit data prior to ringing by using the Ring-Pulse
Alerting Signal (RP-AS); set to 1 to have the Cisco ATA transmit data after the firsr ring.
• Bits 3-8—Maximum number of digits in a phone number (valid values are 1 to 20; default is 12).
• Bits 9-14—Maximum number of characters in a name (valid values are 1 to 20; default is 15).
• Bit 15—If this bit is enabled (it is enabled by default), send special character O (out of area) to CID
device if telephone number is unknown.
• Bit 16—If this bit is enabled (it is enabled by default), send special character P (private) to CID
device if telephone number is restricted.
• Bits 17-27 are reserved.