Differences

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--- networking:cisco-2801-cme [14/04/2026 17:28] – [DHCP service] andrew
+++ networking:cisco-2801-cme [23/04/2026 23:33] (current) – [Cisco HWIC-AP] andrew
@@ Line 5: / Line 5: @@
-rommon1>
+System boots to ''rommon1>'' but no further.
 <code>
-Set the configuration register with the confreg command if the router is in ROMmon mode:
+Set the configuration register with the confreg command if the router is in rommon mode:
 rommon 1 > confreg 0x2102
 </code>
+Boot ok, so let's see what's detected.
 <code>
@@ Line 45: / Line 47: @@
 </code>
+Set the config register in IOS:-
 <code>
@@ Line 52: / Line 57: @@
 Router(config)#end
 </code>
+From a ''dir flash:'', get the IOS file name to boot from:-
 <code>
@@ Line 63: / Line 70: @@
+====== Cisco HWIC-AP ======
+{{:undefined:hwic-ap.png?300|}}
+Access point for wifi - very sketchy so far.
-====== Cisco HWIC-AP ======
-{{:undefined:hwic-ap.png?200|}}
-Access point for wifi - UNTESTED!
 [[https://community.cisco.com/t5/wireless/wireless-config-on-2811-with-hwic-access-point/td-p/648658]] - Broadcast of ssid link
@@ Line 121: / Line 124: @@
 [[https://www.mattmillman.com/info/a-crash-course-in-using-gpo-telephones-in-the-modern-world/|Using Analogue BT phones in DTMF]]
+[[https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/admin/configuration/manual/cmeadm/cmebasic.html]]
+[[https://binaryfury.wann.net/2025/05/quest-for-network-side-isdn-on-cisco-router/]]
@@ Line 127: / Line 134: @@
 If your router is required to offer DHCP, use this:-
 <code>
+ip dhcp excluded-address 192.168.101.1 192.168.101.50
 ip dhcp pool voip
  network 192.168.101.0 255.255.255.0
@@ Line 223: / Line 233: @@
 Creating CNF files
 -1(config-telephony)#
+</code>
+Consider this:-
+<code>
+Following voice command is enabled:                    !!
+!!  voice service voip                                   !!
+!!   ip address trusted authenticate                     !!
+!!                                                       !!
+!!The command enables the ip address authentication      !!
+!!on incoming H.323 or SIP trunk calls for toll fraud    !!
+!!prevention supports.                                   !!
+!!                                                       !!
+!!Please use "show ip address trusted list" command      !!
+!!to display a list of valid ip addresses for incoming   !!
+!!H.323 or SIP trunk calls.                              !!
+!!                                                       !!
+!!Additional valid ip addresses can be added via the     !!
+!!following command line:                                !!
+!!  voice service voip                                   !!
+!!   ip address trusted list                             !!
+!!    ipv4 <ipv4-address> [<ipv4 network-mask>]          !!
 </code>
@@ Line 322: / Line 356: @@
 {{:voip:7911-phone.jpg?200|7911 voip phone}}
+==== Factory Reset ====
+  - Start by unplugging the power connector or POE and then plug it back in. The phone will start it's power up cycle.
+  - While the phone is starting up, before the Applications Menu button flashes, press and hold the octothorpe button(#). Continue to hold # until the red LED on the telephone handset flashes.
+  - Release the octothorpe and press all the keypad digits:-  123456789*0#
+  - The phone will reboot and attempt to reconfigure itself.