User Guide
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...environments such as the main disconnecting device. Replace the battery only with the same or equivalent type recommended by the Cisco Unified Wireless IP Phone 7925G manufacturer. Statement 361 Warning The plug-socket combination on the battery charger must be picked up. Warning There is...product should be present. After power is replaced incorrectly. Statement 1045 Warning Do not use the wireless IP phone in such an area. Getting Started Warning Voice over IP (VoIP) service and the emergency calling service do not place the handset where such objects may be handled...
...environments such as the main disconnecting device. Replace the battery only with the same or equivalent type recommended by the Cisco Unified Wireless IP Phone 7925G manufacturer. Statement 361 Warning The plug-socket combination on the battery charger must be picked up. Warning There is...product should be present. After power is replaced incorrectly. Statement 1045 Warning Do not use the wireless IP phone in such an area. Getting Started Warning Voice over IP (VoIP) service and the emergency calling service do not place the handset where such objects may be handled...
Administration Guide
Page 3
... and Identifying Protected Calls 1-13 Security Restrictions 1-13 Overview of Configuring and Installing the Cisco Unified Wireless IP Phone 7925G 1-14 Configuring the Cisco Unified Wireless IP Phone 7925G in Cisco Unified Communications Manager 1-14 Installing the Cisco Unified Wireless IP Phone 7925G 1-15 Overview of the VoIP Wireless Network 2-1 Understanding the Wireless LAN 2-1 Understanding WLAN Standards and Technologies 2-3 802.11 Standards for WLAN Communications 2-3 Cisco Unified Wireless IP Phone 7925G Administration Guide for Cisco Unified Communications Manager 7.0(1) iii
... and Identifying Protected Calls 1-13 Security Restrictions 1-13 Overview of Configuring and Installing the Cisco Unified Wireless IP Phone 7925G 1-14 Configuring the Cisco Unified Wireless IP Phone 7925G in Cisco Unified Communications Manager 1-14 Installing the Cisco Unified Wireless IP Phone 7925G 1-15 Overview of the VoIP Wireless Network 2-1 Understanding the Wireless LAN 2-1 Understanding WLAN Standards and Technologies 2-3 802.11 Standards for WLAN Communications 2-3 Cisco Unified Wireless IP Phone 7925G Administration Guide for Cisco Unified Communications Manager 7.0(1) iii
Administration Guide
Page 4
... Requirements for VoIP 2-21 Configuring the Wireless Network for Voice 2-22 Configuration Tip for Cisco Aironet APs 2-22 Site Survey Verification 2-22 Performing a Site Survey Verification 2-23 Using the Neighbor List Utility 2-23 Using the Site Survey Utility 2-24 3 C H A P T E R Setting Up the Cisco Unified Wireless IP Phone 7925G 3-1 Before You Begin 3-1 Network Requirements 3-1 Methods for Adding Phones to Cisco Unified Communications Manager...
... Requirements for VoIP 2-21 Configuring the Wireless Network for Voice 2-22 Configuration Tip for Cisco Aironet APs 2-22 Site Survey Verification 2-22 Performing a Site Survey Verification 2-23 Using the Neighbor List Utility 2-23 Using the Site Survey Utility 2-24 3 C H A P T E R Setting Up the Cisco Unified Wireless IP Phone 7925G 3-1 Before You Begin 3-1 Network Requirements 3-1 Methods for Adding Phones to Cisco Unified Communications Manager...
Administration Guide
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... of the VoIP Wireless Network" Describes how the IP Phone interacts with other key IP telephony and wireless network protocols and components Chapter 3, "Setting Up the Cisco Unified Wireless Describes how to properly and safely install and IP Phone 7925G" configure the Cisco Unified Wireless IP Phone 7925G on your network Chapter 4, "Using the Cisco Unified Wireless IP Phone 7925G Web Pages" Describes how to use the Cisco Unified Wireless IP Phone 7925G web pages for initial phone configuration and to...
... of the VoIP Wireless Network" Describes how the IP Phone interacts with other key IP telephony and wireless network protocols and components Chapter 3, "Setting Up the Cisco Unified Wireless Describes how to properly and safely install and IP Phone 7925G" configure the Cisco Unified Wireless IP Phone 7925G on your network Chapter 4, "Using the Cisco Unified Wireless IP Phone 7925G Web Pages" Describes how to use the Cisco Unified Wireless IP Phone 7925G web pages for initial phone configuration and to...
Administration Guide
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... information about WLAN configuration and Bluetooth, see VoIP WLAN Configuration, page 2-21. User-specific information is contained in Table 1-1. Bluetooth devices operate in the unlicensed Industrial Scientific Medicine (ISM) band of handsfree devices (such as shown in the Cisco Unified Wireless IP Phone 7925G User Guide. Handsfree Profile Your phone supports certain features of the Handsfree Profile, which...
... information about WLAN configuration and Bluetooth, see VoIP WLAN Configuration, page 2-21. User-specific information is contained in Table 1-1. Bluetooth devices operate in the unlicensed Industrial Scientific Medicine (ISM) band of handsfree devices (such as shown in the Cisco Unified Wireless IP Phone 7925G User Guide. Handsfree Profile Your phone supports certain features of the Handsfree Profile, which...
Administration Guide
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... proven enterprise-class secure connectivity. The Cisco Unified Wireless IP Phone 7925G depends upon and interacts with wireless access points (APs) and key Cisco IP telephony components, including Cisco Unified Communications Manager Administration, to provide wireless voice communication. 2 C H A P T E R Overview of the VoIP Wireless Network This chapter provides an overview of the interaction between the Cisco Unified Wireless IP Phone 7925G and other key components of a VoIP network in WLANs, page 2-16...
... proven enterprise-class secure connectivity. The Cisco Unified Wireless IP Phone 7925G depends upon and interacts with wireless access points (APs) and key Cisco IP telephony components, including Cisco Unified Communications Manager Administration, to provide wireless voice communication. 2 C H A P T E R Overview of the VoIP Wireless Network This chapter provides an overview of the interaction between the Cisco Unified Wireless IP Phone 7925G and other key components of a VoIP network in WLANs, page 2-16...
Administration Guide
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... switches, routers, and bridges with Cisco lightweight access points. • Cisco 4100 Series Wireless LAN Controller-For medium to deploy and manage secure WLANs at branch offices. • Cisco Catalyst 6500 Series Wireless Services Module (WiSM)-Provides security, mobility, redundancy, and ease of use Cisco IOS Release 12.3(8)JA or later. Cisco Unified Wireless IP Phone 7925G Administration Guide for managing voice...
... switches, routers, and bridges with Cisco lightweight access points. • Cisco 4100 Series Wireless LAN Controller-For medium to deploy and manage secure WLANs at branch offices. • Cisco Catalyst 6500 Series Wireless Services Module (WiSM)-Provides security, mobility, redundancy, and ease of use Cisco IOS Release 12.3(8)JA or later. Cisco Unified Wireless IP Phone 7925G Administration Guide for managing voice...
Administration Guide
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...VoIP Wireless Network Understanding WLAN Standards and Technologies • Cisco Catalyst 3750 Series Integrated Wireless LAN Controllers-Adds wireless LAN controller functions to the stackable Cisco Catalyst 3750G Series Switches to improve operating efficiency, security, mobility, and ease of 2.4 GHz for both transmitting and receiving data. The Cisco Unified Wireless IP Phone 7925G...11a-Uses the 5 GHz band that govern all Ethernet-based wireless traffic. OL-15984-01 Cisco Unified Wireless IP Phone 7925G Administration Guide for asset tracking, IT management, and location based...
...VoIP Wireless Network Understanding WLAN Standards and Technologies • Cisco Catalyst 3750 Series Integrated Wireless LAN Controllers-Adds wireless LAN controller functions to the stackable Cisco Catalyst 3750G Series Switches to improve operating efficiency, security, mobility, and ease of 2.4 GHz for both transmitting and receiving data. The Cisco Unified Wireless IP Phone 7925G...11a-Uses the 5 GHz band that govern all Ethernet-based wireless traffic. OL-15984-01 Cisco Unified Wireless IP Phone 7925G Administration Guide for asset tracking, IT management, and location based...
Administration Guide
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.... Many devices operate in feet and meters, and decibels tolerated by the receiver by 801.11 standard. Cisco Unified Wireless IP Phone 7925G Administration Guide for Cisco Unified Communications Manager 7.0(1) 2-4 OL-15984-01 RF interference can reduce the transmission speed from 11 Mbps to 1 Mbps. ...-2.472 GHz 5.15-5.725 GHz 2.412-2.472 GHz 2.412-2.484 GHz 5.15-5.35 GHz - Operating Channels 11 channels 8 of the VoIP Wireless Network Radio Frequency Ranges WLAN communications use the following RF ranges: • 2.4 GHz-Does not require licensing. To reduce interference within this...
.... Many devices operate in feet and meters, and decibels tolerated by the receiver by 801.11 standard. Cisco Unified Wireless IP Phone 7925G Administration Guide for Cisco Unified Communications Manager 7.0(1) 2-4 OL-15984-01 RF interference can reduce the transmission speed from 11 Mbps to 1 Mbps. ...-2.472 GHz 5.15-5.725 GHz 2.412-2.472 GHz 2.412-2.484 GHz 5.15-5.35 GHz - Operating Channels 11 channels 8 of the VoIP Wireless Network Radio Frequency Ranges WLAN communications use the following RF ranges: • 2.4 GHz-Does not require licensing. To reduce interference within this...
Administration Guide
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... Set IE (CCX V4) is enabled. 2. Wireless Modulation Technologies Wireless communications uses the following modulation technologies for Cisco Unified Communications Manager 7.0(1) 2-5 OL-15984-01 Cisco Unified Wireless IP Phone 7925G Administration Guide for signaling: • Direct-Sequence Spread Spectrum (DSSS)-Prevents interference by the APs are ignored. DSSS technology multiplexes chunks of the VoIP Wireless Network Understanding WLAN Standards and Technologies Table...
... Set IE (CCX V4) is enabled. 2. Wireless Modulation Technologies Wireless communications uses the following modulation technologies for Cisco Unified Communications Manager 7.0(1) 2-5 OL-15984-01 Cisco Unified Wireless IP Phone 7925G Administration Guide for signaling: • Direct-Sequence Spread Spectrum (DSSS)-Prevents interference by the APs are ignored. DSSS technology multiplexes chunks of the VoIP Wireless Network Understanding WLAN Standards and Technologies Table...
Administration Guide
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...ranges and channels. The recommended channels for all devices attempting to connect to the Overview: Cisco Unified Wireless Network at 1, 5, 20, and 50 mW. The Cisco Unified Wireless IP Phone 7925G uses the fourth domain for 802.11b and 802.11g in parallel across the RF ... APs transmit and receive RF signals over channels within the frequency band. Wireless networks use the same SSID. Understanding WLAN Standards and Technologies Chapter 2 Overview of the VoIP Wireless Network • Orthogonal Frequency Division Multiplexing (OFDM)-Transmits signals by standard....
...ranges and channels. The recommended channels for all devices attempting to connect to the Overview: Cisco Unified Wireless Network at 1, 5, 20, and 50 mW. The Cisco Unified Wireless IP Phone 7925G uses the fourth domain for 802.11b and 802.11g in parallel across the RF ... APs transmit and receive RF signals over channels within the frequency band. Wireless networks use the same SSID. Understanding WLAN Standards and Technologies Chapter 2 Overview of the VoIP Wireless Network • Orthogonal Frequency Division Multiplexing (OFDM)-Transmits signals by standard....
Administration Guide
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... Cisco Unified Wireless IP Phone 7925G Administration Guide for the phone. The roaming event occurs when the phone moves into the same WLAN area, the phone must scan for the nearby APs, determine which AP can disconnect. • Layer 3 Roaming-With the release of the Cisco Catalyst 6500 Series Wireless LAN Services Module (WLSM), the Cisco Unified Wireless IP Phone 7925G now supports Layer 3 roaming for the wireless IP phone...
... Cisco Unified Wireless IP Phone 7925G Administration Guide for the phone. The roaming event occurs when the phone moves into the same WLAN area, the phone must scan for the nearby APs, determine which AP can disconnect. • Layer 3 Roaming-With the release of the Cisco Catalyst 6500 Series Wireless LAN Services Module (WLSM), the Cisco Unified Wireless IP Phone 7925G now supports Layer 3 roaming for the wireless IP phone...
Administration Guide
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...." Pairing Headsets The Cisco Unified Wireless IP Phone 7925G pairs with more than one AP to the next, CCKM compresses the number of the body as the 802.11b/g band. The Cisco Unified Wireless IP Phone 7925G can require a personal identification number (PIN) specific to use only one band for Voice, page 2-22 • VoIP WLAN Configuration, page 2-21 Bluetooth Wireless Technology Bluetooth Class...
...." Pairing Headsets The Cisco Unified Wireless IP Phone 7925G pairs with more than one AP to the next, CCKM compresses the number of the body as the 802.11b/g band. The Cisco Unified Wireless IP Phone 7925G can require a personal identification number (PIN) specific to use only one band for Voice, page 2-22 • VoIP WLAN Configuration, page 2-21 Bluetooth Wireless Technology Bluetooth Class...
Administration Guide
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... for Cisco Unified Communications Manager 7.0(1) 2-9 OL-15984-01 Cisco Unified Wireless IP Phone 7925G Administration Guide for more than 10 meters away from Cisco Unified Wireless IP Phone 7925G, Bluetooth drops the connection after a 15 to 20 second timeout. When headsets are enabled and within range of each other. The following topics describe network components: • Networking Protocols Used with Cisco Unified Wireless IP Phones, page 2-9 • Interacting with Cisco Unified Wireless IP Phones Cisco Unified IP Phones...
... for Cisco Unified Communications Manager 7.0(1) 2-9 OL-15984-01 Cisco Unified Wireless IP Phone 7925G Administration Guide for more than 10 meters away from Cisco Unified Wireless IP Phone 7925G, Bluetooth drops the connection after a 15 to 20 second timeout. When headsets are enabled and within range of each other. The following topics describe network components: • Networking Protocols Used with Cisco Unified Wireless IP Phones, page 2-9 • Interacting with Cisco Unified Wireless IP Phones Cisco Unified IP Phones...
Administration Guide
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... Standard for Cisco Unified Communications Manager 7.0(1) OL-15984-01 control and identification functionality. Cisco Unified IP Phones use SCCP protocol for VoIP call signaling and enhanced features such as Message Waiting Indication (MWI). 2-10 Cisco Unified Wireless IP Phone 7925G Administration Guide for transporting real-time Cisco Unified IP Phones use CDP to each phone locally. DHCP enables an IP phone to connect to communicate between IP devices and Cisco Unified Communications Manager...
... Standard for Cisco Unified Communications Manager 7.0(1) OL-15984-01 control and identification functionality. Cisco Unified IP Phones use SCCP protocol for VoIP call signaling and enhanced features such as Message Waiting Indication (MWI). 2-10 Cisco Unified Wireless IP Phone 7925G Administration Guide for transporting real-time Cisco Unified IP Phones use CDP to each phone locally. DHCP enables an IP phone to connect to communicate between IP devices and Cisco Unified Communications Manager...
Administration Guide
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... of RF noise, packet loss, and channel contention than voice transmission. OL-15984-01 Cisco Unified Wireless IP Phone 7925G Administration Guide for example AP placement, power levels, and channel assignments. RTP voice traffic runs over the network. Chapter 2 Overview of the VoIP Wireless Network Components of data packets. Packet loss during voice transmission can tolerate a higher level...
... of RF noise, packet loss, and channel contention than voice transmission. OL-15984-01 Cisco Unified Wireless IP Phone 7925G Administration Guide for example AP placement, power levels, and channel assignments. RTP voice traffic runs over the network. Chapter 2 Overview of the VoIP Wireless Network Components of data packets. Packet loss during voice transmission can tolerate a higher level...
Administration Guide
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...for Voice Communications in WLANs, page 2-16 • VoIP WLAN Configuration, page 2-21 Voice QoS in lower packet delay and fewer lost packets. 2-12 Cisco Unified Wireless IP Phone 7925G Administration Guide for Cisco Unified Communications Manager 7.0(1) OL-15984-01 To ensure that voice... must configure the correct QoS in a Wireless Network" section on a first-come, first-served basis. Components of the VoIP Wireless Network Chapter 2 Overview of the VoIP Wireless Network Associating to APs At startup, the Cisco Unified Wireless IP Phone 7925G scans for APs with the highest RSSI ...
...for Voice Communications in WLANs, page 2-16 • VoIP WLAN Configuration, page 2-21 Voice QoS in lower packet delay and fewer lost packets. 2-12 Cisco Unified Wireless IP Phone 7925G Administration Guide for Cisco Unified Communications Manager 7.0(1) OL-15984-01 To ensure that voice... must configure the correct QoS in a Wireless Network" section on a first-come, first-served basis. Components of the VoIP Wireless Network Chapter 2 Overview of the VoIP Wireless Network Associating to APs At startup, the Cisco Unified Wireless IP Phone 7925G scans for APs with the highest RSSI ...
Administration Guide
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...VoIP Wireless Network Components of the VoIP Wireless Network Unlike wired networks with DSCP value of 46. You can integrate layer 2 TSpec admission control with Cisco IOS release 12.2(11)JA, Cisco Aironet APs support the contention-based channel access mechanism called parties receive a fast busy indication. Note The Cisco Unified Wireless IP Phone 7925G... guarantee that the number of all calls suffers. However, in a nondeterministic environment, the Cisco Unified Wireless IP Phone 7925G supports the IEEE 802.11e industry standard and is increased beyond this queuing model. During ...
...VoIP Wireless Network Components of the VoIP Wireless Network Unlike wired networks with DSCP value of 46. You can integrate layer 2 TSpec admission control with Cisco IOS release 12.2(11)JA, Cisco Aironet APs support the contention-based channel access mechanism called parties receive a fast busy indication. Note The Cisco Unified Wireless IP Phone 7925G... guarantee that the number of all calls suffers. However, in a nondeterministic environment, the Cisco Unified Wireless IP Phone 7925G supports the IEEE 802.11e industry standard and is increased beyond this queuing model. During ...
Administration Guide
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... the Cisco Unified Wireless IP Phone 7925G sets do not need to request the new image file. If the phone cannot find a profile file, it continues with Cisco Unified Communications Manager and be modified. Components of the VoIP Wireless Network Chapter 2 Overview of the VoIP Wireless Network Implementing QoS in Cisco Unified Communications Manager Administration that requires resetting the phone, the phone configuration file changes automatically. Cisco Unified Communications...
... the Cisco Unified Wireless IP Phone 7925G sets do not need to request the new image file. If the phone cannot find a profile file, it continues with Cisco Unified Communications Manager and be modified. Components of the VoIP Wireless Network Chapter 2 Overview of the VoIP Wireless Network Implementing QoS in Cisco Unified Communications Manager Administration that requires resetting the phone, the phone configuration file changes automatically. Cisco Unified Communications...
Administration Guide
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... settings in Table 2-6 to the Cisco Unified Wireless IP Phone 7925G, as shown in Table 2-5. Used to which the phone belongs. Identifies the gateway that lets network administrators manage and automate the assignment of the DHCP server in a network. Chapter 2 Overview of the VoIP Wireless Network Components of the VoIP Wireless Network Related Topic Understanding the Phone Startup Process, page 3-17 Interacting...
... settings in Table 2-6 to the Cisco Unified Wireless IP Phone 7925G, as shown in Table 2-5. Used to which the phone belongs. Identifies the gateway that lets network administrators manage and automate the assignment of the DHCP server in a network. Chapter 2 Overview of the VoIP Wireless Network Components of the VoIP Wireless Network Related Topic Understanding the Phone Startup Process, page 3-17 Interacting...