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IP Phone 1535 Video Phone

The IP Phone 1535 videophone uses RFC 3261 compliant Session Initiation Protocol (SIP) to establish both voice and video calls. Connected to your local area network (LAN) through an Ethernet connection or by 802.11b/g wireless (WiFi) connection, the IP Phone 1535 provides extensive telephony services, multimedia tools, full video conversation functionality, an array of ring melodies, and a personalized display. You can also use the IP Phone 1535 to check e-mail, voice mail, or browse the Web. The IP Phone 1535 is designed for enterprises seeking a cost-effective personal video endpoint and is also ideal for teleworking groups and multi-site companies who are seeking increased collaboration between sites. The IP Phone 1535 is supported on Nortel Multimedia Communication Server 5100 and Communication Server 2000.

Key Features:
  • Provides many functions that would normally require a traditional PC
  • Easy-to-use multimedia capabilities including personal video conferencing and audio recording along with still image and video captures which can be stored on the phone
  • Supports integrated applications including web browsing, POP-3 or IMAP-based email access, calendar with alarms, video supervision and image, sound and video library storage
  • High-resolution, 16-bit color, Thin Film Transistor (TFT) display delivers superior user experience
  • Flexible connectivity with both wired Ethernet (10/100) and IEEE 802.11b/g WiFi supported
Features & Benefits

The IP Phone 1535 supports the following features:

  • SIP-based videophone (single user login) with an advanced user interface featuring dedicated video function keys to simplify the interactive experience
  • Eight dedicated telephony-related icon-labeled keys (Send/Handsfree, Goodbye/Release, Video Start, Video Stop, Record, Video Mode, Favorites, Messages) and two context-sensitive soft-label keys for quick item selection
  • Enhanced navigation/input options with four-way navigation cluster for menu operations and two key “mouse”click (right/left) for web-browsing
  • Integrated multimedia capabilities including simple, easy-to-use personal video conferencing with video privacy and variable video screen size options, personal audio recording (up to 20 second recordings), still image captures (high/low resolution with camera timer) and video captures (up to 20 second recordings)
  • Integrated applications including a web browser, e-mail browser (view inbox/outbox or create/send e-mail messages), calendar with alarms, Video Supervision for remote video monitoring and galleries (image, sound and video libraries)
  • High-resolution, graphical, fully-backlit, 16-bit color (65, 535 colors) Liquid Crystal Display using Thin Film Transistor (TFT) technology
  • “T9” (Text on 9 keys) dialpad support for predictive text entry
  • Integrated Directory/Phonebook for up to 300 contacts (stored in the local directory/phonebook)
  • Call history for the last 20 items for Missed, Received and Dialed calls
  • Customized Personalization Options including ringtone support (select from up to 50 local Polyphonic Ringtones), menu color and background image (for idle screen)
  • Supports Picture Caller ID2 and enhanced display name support (for Caller ID and Call Logs)
  • Video standards interoperability support with Video Fast Update (for multi-party video conferencing server environments), H.264 SDP negotiation/ interoperability (RFC3984), and interoperability with leading third party H.263/H.264 SIP video conferencing endpoints and conferencing systems3
  • Memory Card slots for expandability and data input/storage with Subscriber Identity Module (SIM) Reader Slot (used to copy user directory/ phonebook information from a SIM card) and Secure Digital (SD)/MultiMedia Card (MMC) slot (used for external storage and uploading of images or sounds)
  • Flexible connectivity options with traditional LAN wired Ethernet (10/100 Base-T Fast Ethernet) or Wireless LAN access with an integrated IEEE 802.11b/g (Wi-Fi) radio
  • Integrated two-way audio speaker
  • Menu languages supported include English (US), French (Canadian), Spanish (Latin America), German, Portuguese and Korean. (Ph. II only)
Technical Specifications

Platform compatibility:

  • Nortel Multimedia Communication Server 5100 Rls 3.5 and 4.0
  • Nortel Communication Server 2000 Rls SN09U and SN10 (planned December 2007)


  • High resolution, graphical, fully-backlit, 16-bit color (65,535 colors) Liquid Crystal Display (LCD) using TFT (Thin Film Transistor) technology\
    • Quarter Video Graphics Array (QVGA) Resolution
    • Approximately 3.5" / 89mm diagonal
    • 2.80" x 2.09" / 71mm x 53mm (W x H)
    • 320 pixels x 240 pixels (W x H)
  • Configurable backlight timer extends the quality of the display experience with a user-defined time setting (ten seconds to one hour)


  • Image sensor: 1/4.5-inch Complementary Metal-Oxide Semiconductor (CMOS)
  • Pixel resolution: 300K - VGA (Video Graphics Array)
  • Captures still (JPG format) or video images (up to 15fps)

Processor and memory

  • CPU: Intel PXA 270 processor @ 416MHz
  • SDRAM: 64 MB (Synchronous Dynamic Random Access Memory)
  • Flash: 128 MB (NAND Memory)

IP Phone footstand/display adjustment

  • Desktop footstand attachment (optional) raises the IP phone to an optimal angle for video camera usage
  • Desktop viewing adjustments with full range tilt display (0 to 60 degrees)

Fixed and soft label keys

  • Eight – Telephony-related keys (Send/Handsfree, Goodbye/Release, Video Start, Video Stop, Record, Video Mode, Favorites, Messages)
  • Two – Context-sensitive soft keys

Navigation cluster

  • Four-way navigation cluster (left, right, up, down arrows) plus right/left click keys (for web browsing)

Enhanced text entry capabilities

  • “T9” (Text on 9 keys) dialpad support for predictive English, French, German, Portuguese or Spanish text entry

Card slots

  • Subscriber Identity Module (SIM) Reader Slot
  • Secure Digital (SD) / MultiMedia Card (MMC) slot for external device storage (Support for up to 1GB SD/MMC card size)


  • Static and Dynamic Host Control Protocol (DHCP factory default)
  • File Transfer Protocol (FTP)

Dimensions and weight (approximate)

  • Size (W x D x H)
    • 7.48in x 4.88in x 7.48in / 190mm x 124mm x 190mm - without desktop footstand (Display fully raised – 60 degrees)
    • 7.48in x 6.01in x 7.76in / 190mm x 156mm x 197mm - with desktop footstand (Display fully raised – 60 degrees)
  • Weight (phone, desktop footstand, handset and handset cord)
    • 2.06 lbs / 0.94kg


  • Silver metallic finish

Connectivity/data rates

  • Wired connection
    • Integrated 10/100 Base-T Fast Ethernet (auto-negotiation)
  • Wireless connection
    • Integrated IEEE 802.11b/g Wi-Fi radio with Wired Equivalent Privacy (WEP), Wi-Fi Protected Access (WPA), Wi-Fi Protected Access - Pre-Shared Key (WPA-PSK) and Wi-Fi Protected Access 2 – Pre-Shared Key (WPA2-PSK) support


  • Universal AC power supply input: 100V~240V AC, 50~60Hz at 0.22A delivering 5V DC at 3A
  • Country-specific power cord with IEC-620 connector

* Note: Remote powering of the IP Phone 1535 via IEEE 802.3af Power over Ethernet (PoE) is not supported.

Protocol support

  • Transport:
    • User Datagram Protocol (UDP) - RFC 768
    • Transmission Control Protocol (TCP)- RFC 793
    • Simple Traversal of UDP through NAT (STUN) - RFC 3489
  • TCP/IP:
    • Dynamic Host Control Protocol (DHCP) - RFC 2131/RFC 2132
    • Domain Name System (DNS) – RFC 1034 / RFC 1035
    • Hypertext Transfer Protocol (HTTP) - RFC 2616
    • File Transfer Protocol (FTP) - RFC 959
    • Trivial File Transfer Protocol (TFTP) - RFC 783
  • Signaling:
    • Session Initiation Protocol (SIP) - RFC 3261
    • Session Description Protocol (SDP) - RFC 2327
    • Dual-Tone Multifrequency (DTMF) Digits - Telephony Tones & Signals - RFC 2833
  • Voice / Video:
    • Real-time Transport Protocol (RTP) - RFC 1889
    • Real-time Transport Control Protocol (RTCP) - RFC 1890
    • RTP Payload Format for H.264 Video - RFC 3984
  • E-mail:
    • Simple Mail Transfer Protocol (SMTP) - RFC 821
    • Post Office Protocol - Version 3 (POP3) - RFC 1939
    • Internet Message Access Protocol (IMAP) - partial support

Audio and video quality of service

  • Audio:
    • G.711 u-law, G.711 a-law, G.723, G.729 and Adaptive Multi-Rate Narrow-Band (AMR-NB)
  • Video:
    • H.263 (RFC 2190) and H.264
    • QCIF (Quarter Common Intermediate Format) video formats

File format support

  • Image file formats
    • JPG (Joint Photographic Experts Group) - JFIF:1.01
    • PNG (Portable Network Graphics) - PNG version 1.2
    • GIF (Graphics Interchange Format) GIF87a, GIF89 (Does not support animated gif )
  • Audio file formats
    • MIDI (Musical Instrument Digital Interface) - Standard MIDI Files 1.0
    • WAV (Waveform audio format) - CCITT u-law format, 8000Hz, 16bit Sampling, 1998 Windows PCM format, 8000Hz, 16bit Sampling
    • IMY (iMelody Ringtone Format) - iMelody version v1.0, v1.1 , v1.2
  • Video file formats
    • 3GP (Third Generation Partnership Project) movie file format
    • 3GPP (Third Generation Partnership Project) TS.26.140 version 6 format

Menu language support

  • English (US), French (Canadian), Spanish (LA), Korean, Portuguese, German

Operating temperature

  • +0°C to +40°C / +32°F to +104°F

Relative humidity

  • 5% to 95% (non-condensing)

Storage temperature

  • -20°C to +65°C / -4°F to +149°F


  • United States: FCC CFR 47 Part 15 Class B
  • Canada: ICES-003 Class B
  • European Union:
    • EN 55022:1998 + A1 & A2 (Class B)
    • EN 55024:1998 + A1 & A2
    • EN 61000-3-2
    • EN 61000-3-3
  • China CCC
  • Brazil Anatel Requirements
  • Mexico (COFETEL)


  • United States: UL 60950-1 1st Edition
  • Canada: CSA 60950-1-03
  • European Union: EN 60950-1
  • International: IEC 60950-1
  • China CCC
  • Mexico NOM Approvals

Wireless regulatory identification/compliance (for Wi-Fi radio)

  • United States: FCC Part 15 Wireless Certification
    • FCC ID: AB6IP1535
    • FCC Registration No.:US:AB6IP16BIP1535
  • Canada: IC RSS 210 Wireless Certification
    • Canada IC No.: IC:332E-IP1535
  • European Union:
    • EN 300 328 V1.6.1
    • EN 301 489-1 V1.6.1
    • EN 301 489-17 V1.2.1
  • China CCC
  • Brazil Anatel Requirements
  • Mexico (COFETEL)

US/Canada/EU Countries

  • United States/Canada: Hearing Aid Compatibility (HAC) as per FCC Part 68 and Industry Canada CS-03 Part V
  • Compliant at general availability to the Reduction of Hazardous Substances - RoHS (6 of 6) requirement as part of the European Union Environmental Directive (EUED)
  • Complies with CE Marking Requirements; this device complies with the essential requirements and other relevant provisions of Directive 1999/5/EC
  • American Disabilities Act (ADA) compliant dialpad
If you have any queries or would like more information about any of the solutions outlined, please contact us or request a call back. Alternately, you can call us on 905 695 2241 or 877 888 3588 for more immediate help and advice.
  IP 1535  

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