cisco ip phones
DESCRIPTION
Cisco IP PhonesTRANSCRIPT
Cisco
• Svetový leader v oblasti sieťových technológií
• V roku 1998 odkúpila spol. Selsius
• Cisco Call Manager – IP PBX
• Cisco IP Telefóny
Cisco IP Telefóny
• Cisco IP Phones 79XX
Process bootovania telefónu
The IP phone powers on
The phone performs a Power on Self Test (POST)
Through CDP the IP phone learns what the auxiliary VLAN is
The phone initializes the IP stack
The phone boots up
Získanie IP konfigurácie (+TFTP)
IP phone send DHCP Discover broadcast requesting an IP address
DHCP server selects a free IP address from the pool and sends
along with the other scope parameters as a DHCP Offer
The IP phone initializes applies the IP configuration to the IP stack
The IP phone requests it configuration file from
the TFTP server
Súbory na TFTP servery
Firmware SEPAAAABBBBCCCC.cnf.xml XmlDefault.cnf.xml SCCP-dictionary.xml Phonemodel-dictionary.xml Phonemodel-tones.xml
Files critical to the IP phone
TFTP Server
7960Firmware
XML
SEP
XML
SEP
XML
SEP
XML
SEP
7940Firmware7920
Firmware7912Firmware7905
Firmware7902Firmware7910
Firmware
XML
SEP
Stiahnutie konfigurácie
Step 1 - Phone applies addressing information
obtained through DHCP to the IP stack
Step 2 - Using the address of the TFTP server learned from the DHCPOffer the phone looks for and downloads the file named
SEPAAAABBBBCCCC.cnf.xml (where AAAABBBBCCCC is the MAC address), if the file is found the phone will register
Cisco CM is the TFTP Server
SEP000F2470AA32.cnf.xml file
TFTP request for the SEP000F2470AA32.cnf.xml file
MAC 000F.2470.AA32
If no SEP XML file is found go to Step 5
XML
SEP
Nový Firmware
Step 3 - If the firmware version currently on the phone is different than the version specified in the SEPAAAABBBBCCCC.cnf.xml file
then the firmware is downloaded from the TFTP server
TFTP request for firmware if needed
Step 4 - IP phone will reboot if the firmware was updated
MAC 000F.2470.AA32
Firmware file
7960Firmware
Neznámy telefón
Step 6.1 - The phone will not register to Call Manager
Step 5 - If no SEP XML file was found then download from the TFTP server the XMLDefault.cnf.xml file
CallManager operates the TFTP Server
XMLDefault.cnf.xml file
TFTP request for the XMLDefault.cnf.xml file
Unknown IP address with MAC 000F.2470.AA32
Step 6.2 - If auto assign is enabled or the phone has been configured then the new IP phone will register to the CallManager and given an extension number (+SEP
file is created)
or
XML
Default
Registrácia IPT na CCM
TCP/2000SCCP
CCM
Volanie medzi IPT vrámci CCM
TCP/2000SCCP
RTP
CCM
Komunikačné protokoly IP Telefónov
• Signalizačné– SCCP (Skinny)
• Cisco proprietary
– SIP– MGCP
• Dátové– RTP
Cisco Call Manager 4.0 – obrázky
Cisco Call Manager 4.0 – obrázky
Cisco Call Manager 4.0 – obrázky
Cisco Call Manager - HW
Nastavenia IP Telefónu
• Tlačídko SETTINGS
• 3 – Network Configuration
• Odomknutie konfigurácie (**#)
• Use DHCP – YES– Alternate TFTP – YES– TFTP Server – 147.232.22.163
• Use DHCP – NO– IP address, Netmask, Gateway, DNS, TFTP
VoIP@CNL Network
