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Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)
OL-4277-01
Chapter 3 Configuring the Cisco IP Phone Models 7905G and 7912G for SIP
Specifying a Preconfigured VLAN ID or Disabling VLAN IP Encapsulation
• VLANSetting parameter:
–
Bits 0-2—Specify VLAN CoS bit value (802.1Q priority) for signaling
packets
–
Bits 3-5—Specify VLAN CoS bit value (802.1Q priority) for audio packets
–
Bits 18-29—User-specified 802.1Q VLAN ID
Example
The following procedure shows you how to configure the OpFlags and
VLANSetting parameters to allow the phone to use a user-specified VLAN ID. In
this example, the voice VLAN ID is 115 (in decimal format).
Step 1 Set bits 4-6 of the OpFlags parameter to 1, 0, and 1, respectively. This setting
translates to the following bitmap:
xxxx xxxx xxxx xxxx xxxx xxxx x101 xxxx
The remaining bits of the OpFlags parameter, using all default values, make up
the following bitmap representation:
0000 0000 0000 0000 0000 0000 0xxx 0010
Table 3-1 VLAN-Related Features and Corresponding Configuration
Parameters
Feature OpFlags Bit 4 OpFlags Bit 5 OpFlags Bit 6
VLANSetting
Bits 18-29
Static VLAN101VLAN ID
CDP-acquired
VLAN
000Not applicable
1
1. This variable is not applicable to the feature and the setting of this variable does not affect the feature.
No VLAN — 1 — Not applicable
1
No CDP — — 1 Not applicable
1
No CDP and no
VLAN
011Not applicable
1