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Caller ID on the Cisco 813 Router
The correct information is as follows:
By default, the caller ID feature is disabled. To enable this feature, use the 
Cisco IOS caller-id command in the dial-peer configuration command mode.
caller-id
no caller-id
Debug POTS Commands
Use the following commands to debug problems with caller ID configuration:...

 
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NoteThe call forwarding feature uses the B channels to forward the voice call and 
to connect the caller and the forwarded destination. If one or both B channels 
are busy with data calls, the incoming voice call supersedes the data calls.
Configuring Local Call Forwarding
To configure local call forwarding on your router, use the following...

 
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The feature is 
enabled through 
the 
command-line 
interface. Data call in 
progress.Data call in 
progress.An external 
voice call comes 
in to POTS 1 or 
POTS 2.The router waits for the specified 
number of rings and then bumps a 
data call to make a call to the 
forwarding destination. If the 
forwarded destination responds with 
a connect,...

 
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Local Call Forwarding Configuration Example
The following is an example of configuring the local call forwarding feature:
router# configure terminal
router(config)# dial-peer voice 1 pots
router(config-dial-peer)# forward 8765432 after 0
router(config)# dial-peer voice 2 pots
router(config-dial-peer)# forward 1234567 after 3
Local Call...

 
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ring 0
volume 2
caller 1111111 ring 1
caller 2223323 ring 2
caller 3213213 ring 3
caller 8552345ring 1
caller 2223456 ring 2
caller 3214567 ring 2
subaddress 10
forward 1234567 after 3 
Support for PIAFS
Personal Handy-Phone System (PHS) Internet Access Forum Standard (PIAFS) 
is a standard error-correction protocol for cellular data...

 
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Photograph transmission service
This service can be realized by transmitting the signals of a digital still 
camera directly or through the medium of a personal computer. This can be 
regarded as another variation of data transmission service that can use the 
PHS for transmission.
Mobile office service
The spread of groupware recently has led...

 
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PIAFS Scenarios
Ta b l e 6 - 1 8 shows scenarios for PIAFS. The feature is activated when the ISDN 
switch type is set to INS(NTT) and PPP encapsulation is configured on the ISDN 
interface.
Table 6-18 Scenarios for PIAFS 
B1 Channel B2 Channel Event Result
Free Free An incoming PIAFS 
call comes in to the 
router.The router negotiates the data...

 
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Free Free The router is handling a 
64 kbps PIAFS 2.0 call. 
During handover, the 
new cell is not able to 
allocate two channels 
for maintaining 
64 kbps, so it requests 
the router to decrease 
the speed of the PIAFS 
call from 64 kbps to 
32 kbps.
The router is handling a 
64 kbps PIAFS 2.1 call. 
During handover, the 
new cell is not able...

 
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PIAFS Status
The status of the PIAFS calls on the router can be checked by using the following 
command in privileged mode:
show piafs status
PIAFS Configuration Output Example
The following is an example of the output for PIAFS configuration:
Number of active calls = 1
Details of connection 0
Call Direction is - INCOMING
    The speed is - 32K...

 
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