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![Cisco SIP IP Phone Administrator Guide, Release 4.2 - Product Overview (Version 4.2) [Cisco SIP IP Phone Software] - Cisco](https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/cuipph/7960g_7940g/sip/4_2/english/administration/guide/sipovr42.fm/_jcr_content/renditions/sipovr42-3.jpg "Cisco SIP IP Phone Administrator Guide, Release 4.2 - Product Overview (Version 4.2) [Cisco SIP IP Phone Software] - Cisco")
Cisco SIP IP Phone Administrator Guide, Release 4.2 - Product Overview (Version 4.2) [Cisco SIP IP Phone Software] - Cisco
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