====== Cisco 2801 with WiFi and Call Manager Express (CME) ====== ===== Boot Failure ===== rommon1> Set the configuration register with the confreg command if the router is in ROMmon mode: rommon 1 > confreg 0x2102 Router#show hardware Cisco IOS Software, 2801 Software (C2801-ADVIPSERVICESK9-M), Version 15.1(4)M1, RELEASE SOFTWARE (fc1) ...edited... ROM: System Bootstrap, Version 12.4(13r)T, RELEASE SOFTWARE (fc1) Router uptime is 33 minutes System returned to ROM by power-on System restarted at 11:59:32 UTC Mon Jan 2 2006 System image file is "flash:c2801-advipservicesk9-mz.151-4.M1.bin" Last reload type: Normal Reload ...edited... Cisco 2801 (revision 7.0) with 358400K/34816K bytes of memory. Processor board ID FCZ121715KL 6 FastEthernet interfaces 2 Channelized E1/PRI ports 1 Virtual Private Network (VPN) Module 2 802.11 Radios DRAM configuration is 64 bits wide with parity disabled. 191K bytes of NVRAM. 125184K bytes of ATA CompactFlash (Read/Write) Configuration register is 0x2102 Router# Router#configure terminal Enter configuration commands, one per line. End with CNTL/Z. Router(config)#config-register 0x2102 Router(config)#end ! boot-start-marker boot system flash:c2801-advipservicesk9-mz.151-4.M1.bin boot-end-marker ! ====== 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 ! 1. Configure the VLAN for wireless traffic interface Vlan10 ip address 192.168.10.1 255.255.255.0 no shutdown ! 2. Configure the Radio Interface (Module/Slot/Port - usually 0/3/0 or 0/2/0) interface Dot11Radio0/3/0 no ip address ! Set channel and power station-role root no shutdown ! ! 3. Define the SSID ssid MyCompanyWireless authentication open authentication key-management wpa version 2 wpa-psk ascii 0 SecretPassword123 guest-mode ! ! 4. Bridge the radio to the VLAN bridge-group 10 bridge-group 10 subscriber-loop-control bridge-group 10 block-unknown-source no bridge-group 10 source-learning no bridge-group 10 unicast-flooding ! 5. Configure the Bridge Virtual Interface (BVI) interface BVI10 ip address 192.168.10.2 255.255.255.0 no shutdown ! 6. (Optional) Configure DHCP for clients on this subnet ip dhcp pool WLAN_CLIENTS network 192.168.10.0 255.255.255.0 default-router 192.168.10.1 dns-server 8.8.8.8 ====== VOIP ====== [[https://www.mattmillman.com/info/a-crash-course-in-using-gpo-telephones-in-the-modern-world/|Using Analogue BT phones in DTMF]] ===== DHCP service ===== If your router is required to offer DHCP, use this:- 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 default-router 192.168.101.1 dns-server 192.168.101.1 domain-name voip.rainsbrook.co.uk ! To see leases offered out, don't use this:- 2801-1#sh dhcp ? lease Show DHCP Addresses leased from a server server Show DHCP Servers we know about 2801-1# This is to see leases offered **TO** the router, not **from** it. Use this instead:- 2801-1#sh ip dhcp ? binding DHCP address bindings conflict DHCP address conflicts database DHCP database agents import Show Imported Parameters pool DHCP pools information relay Miscellaneous DHCP relay information server Miscellaneous DHCP server information 2801-1#sh ip dhcp binding Bindings from all pools not associated with VRF: IP address Client-ID/ Lease expiration Type Hardware address/ User name 192.168.101.52 01a8.b1d4.fbc3.9b Apr 15 2026 05:16 PM Automatic 192.168.101.53 01a0.cec8.e11f.0f Apr 15 2026 05:09 PM Automatic 2801-1# 2801-1#sh ip dhcp pool voip Pool voip : Utilization mark (high/low) : 100 / 0 Subnet size (first/next) : 0 / 0 Total addresses : 254 Leased addresses : 2 Pending event : none 1 subnet is currently in the pool : Current index IP address range Leased addresses 192.168.101.54 192.168.101.1 - 192.168.101.254 2 2801-1# ===== Basic telephony service ===== 2801-1#sh telephony-service CONFIG (Version=8.6) ===================== Version 8.6 protocol mode default ip source-address 192.168.101.102 port 2000 ip qos dscp: ef (the MS 6 bits, 46, in ToS, 0xB8) for media cs3 (the MS 6 bits, 24, in ToS, 0x60) for signal af41 (the MS 6 bits, 34, in ToS, 0x88) for video default (the MS 6 bits, 0, in ToS, 0x0) for serviceservice directed-pickup load 7911 SCCP45.8-5-2S max-ephones 30 ... edited ... Router(config)#telephony-service setup Warning: command has been deprecated. For installation help, please check CME System Administrator Guide. Goodbye! Router(config)# 2801-1(config)#telephony-service 2801-1(config-telephony)#ip source-address 192.168.101.102 port 2000 2801-1(config-telephony)#ip source-address 192.168.101.11 port 2000 2801-1(config-telephony)# 2801-1(config-telephony)#crea 2801-1(config-telephony)#create cn 2801-1(config-telephony)#create cnf-files Creating CNF files 2801-1(config-telephony)# ====== Voice Port ====== Router#show voice port summary IN OUT PORT CH SIG-TYPE ADMIN OPER STATUS STATUS EC =============== == ============ ===== ==== ======== ======== == 0/2/0 -- fxs-ls up dorm on-hook idle y 0/2/1 -- fxs-ls up dorm on-hook idle y ephone-dn 1 number 1001 ! ephone 1 device-security-mode none mac-address A8B1.D4FB.C39B type 7911 button 1:1 Router(config)#voice-port 0/2/0 Router(config-voiceport)#signal ? groundStart Ground Start loopStart Loop Start Router(config-voiceport)#signal loopStart Router(config-voiceport)#ring cadence uk? % Unrecognized command Router(config-voiceport)#ring cadence ? define User Defined Cadence external External ringing cadence on/off durations (STCAPP only) pattern01 2sec on 4sec off pattern02 1sec on 4sec off pattern03 1.5sec on 3.5sec off pattern04 1sec on 2sec off pattern05 1sec on 5sec off pattern06 1sec on 3sec off pattern07 .8sec on 3.2sec off pattern08 1.5sec on 3sec off pattern09 1.2sec on 3.7sec off pattern10 1.2sec on 4.7sec off pattern11 .4sec on .2sec off .4sec on 2sec off pattern12 .4sec on .2sec off .4sec on 2.6sec off Router(config-voiceport)#ring cadence pattern11 Router(config-voiceport)#exit Running config to call between FXS ports voice-port 0/2/0 ring cadence pattern11 station-id name analogue1 station-id number 1001 ! voice-port 0/2/1 ring cadence pattern11 station-id name analogue2 station-id number 1002 ! ! ! mgcp profile default ! ! dial-peer voice 1001 pots destination-pattern 1001 port 0/2/0 ! dial-peer voice 1002 pots destination-pattern 1002 port 0/2/1 ! ===== 7911G ===== Complete dump of info.. don't believe anything here, not tested. {{: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. voice register global mode cme load 7911 SCCP11.8-4-4S ! Ensure this matches your firmware file tftp-path flash: max-dn 10 max-pool 10 source-address <192.168.x.x> port 2000 ! voice register pool 1 id mac ! Phone MAC Address type 7911 number 1 dn 1 username password codec g711ulaw ! voice register dn 1 number 101 ! Extension number ===== VIC2-2FXS ===== Two ports of analogue in a VIC cards, 2x RJ-11 sockets {{:undefined:vic2-2fxs.png?200|}} See [[https://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-communications-manager-express/99946-cme-sip-guide.html]] for sccp config. ===== HWIC-4ESW ===== [[https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/lanswitch/configuration/12-2sx/lsw-hwic-ethsw-ic.html]] ===== BVI ===== ! hostname 2801-1 ! ! bridge irb ! interface FastEthernet0/0 no ip address no ip route-cache speed auto full-duplex no mop enabled bridge-group 1 ! ! interface FastEthernet0/1/0 no ip address ! interface FastEthernet0/1/1 no ip address ! interface FastEthernet0/1/2 no ip address ! interface FastEthernet0/1/3 no ip address ! interface BVI1 ip address 192.168.1.123 255.255.255.0 ! interface BVI2 ip address 192.168.2.123 255.255.255.0 ! ! bridge 1 protocol ieee bridge 1 route ip bridge 2 protocol ieee bridge 2 route ip ! ! ntp update-calendar ntp server 192.168.1.1 ntp peer 192.168.1.2 ntp peer 192.168.1.131 ntp peer 192.168.1.132 ntp peer 192.168.1.133 ===== ISDN ===== {{:networking:15415-bri-voice-port-cfg-fig1.png?200 |}} ! interface BRI1/0 no ip address isdn switch-type basic-net3 isdn protocol-emulate network isdn layer1-emulate network isdn incoming-voice voice isdn skipsend-idverify line-power ! interface BRI1/1 no ip address isdn switch-type basic-net3 isdn protocol-emulate network isdn layer1-emulate network isdn skipsend-idverify line-power ! voice-port 1/0/0 compand-type a-law cptone AU ! voice-port 1/0/1 compand-type a-law cptone AU ! #show isdn status https://binaryfury.wann.net/2025/05/quest-for-network-side-isdn-on-cisco-router/