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Chapter 2 Installing the Cisco IP Phone Models 7905G and 7912G
Safety
2-2
Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)
OL-4277-01
• A Call Control System
–
Proxy server—There must be a device running RFC 2543 SIP-compliant
software
–
Voice packet gateway—Required if you are connecting to the Public
Switched Telephone Network (PSTN)
Note If you use a firewall, Cisco recommends that it be a Cisco PIX firewall, Version
5 or later.
Related Topics
• Safety, page 2-2
• Connecting to the Network, page 2-4
• Providing Power to the Cisco IP Phone, page 2-5
• Installing the Cisco IP Phone Models 7905G and 7912G, page 2-6
• Verifying Installation, page 2-15
Safety
To ensure general safety, follow these guidelines:
• Do not open or disassemble this product.
• Do not get this product wet or pour liquids into this device.
• Do not perform any action that creates a potential hazard to people or makes
the equipment unsafe.
Warning
Ultimate disposal of this product should be handled according to all national
laws and regulations. To see translations of the warnings that appear in this
publication, refer to the Regulatory Compliance and Safety Information
document that accompanied this device.