Troubleshooting Solutions

Why is my display blank?

Ensure that power is being provided to your phone. If your network does not provide inline power over Ethernet, you can obtain an additional accessory, the Aastra PoE (Power over Ethernet) inline power supply, to provide power over Ethernet locally to your phone. See the section “Connecting to the Network and to Power” in the Aastra 6735i Installation Guide for details.

Why is my speakerphone not working?

If you press the button and the speaker light flashes and you do not hear dial tone through the speaker phone, the

Set Audio option in the phone’s Options list has been set up for headset use. Press a second time and if the light goes out, the phone has been set up to be used only with a headset or handset. If the light stays on steady and you hear dial tone, the phone has been set up so that you can alternate between the speakerphone and the headset by pressing

. See the section “Set Audio” on page 31 for instructions on how to change the Set Audio option.

Why can’t I get a dial tone?

Check for any loose connections and that the phone has been installed properly. For installation instructions, please refer to the “Installation and Setup” section in the Aastra 6735i Installation Guide provided with your phone.

Why doesn’t my phone ring?

Check the ring volume on your phone. It may be turned down or turned off. To adjust the ringer volume setting, press the volume button when the phone is on-hook and idle. For more information, refer to the “Adjusting Volume section” in the Aastra 6735i Installation Guide provided with your phone.

Why is the light not coming on with a new Voice Mail Message?

Your phone system or service provider must provide “Visual” Message Waiting service for this function to work. Check with your System Administrator for more information.

Why is my handset not working?

Check to ensure that the handset cord is fully connected to both the phone and handset. See the section “Connecting a Handset or Headset” in the Aastra 6735i Installation Guide for information.

What are services, and how do I use them?

Services on the IP phone include:

•XML Applications

•Callers List

•Directory List

•Voicemail

See the section, “Services Key” on page 102 more information about the options available under "Services".

How do I find the IP address of my phone?

Instructions on where to find the IP address of your phone can be found in this guide in the section, “Finding Your Phone’s IP Address” on page 21.

Why does my phone display the “No Service” message?

The phone displays the “No Service” message if the SIP settings have not been set up correctly.

41-001451-00 REV00 – 07.2011

200

6735I specifications

The Aastra Telecom 6735i is a robust and versatile VoIP phone designed to enhance communication in various professional environments. As part of Aastra’s established family of IP telephones, the 6735i stands out due to its advanced features and user-friendly interface.

One of the primary characteristics of the Aastra 6735i is its support for multiple VoIP protocols, including SIP (Session Initiation Protocol), making it compatible with a wide range of IP-based telephony systems. This capability allows businesses to integrate the phone seamlessly into their existing infrastructures, providing flexibility and scalability.

The 6735i features a large backlit display, which not only enhances visibility in varied lighting conditions but also simplifies navigation through its menus. The phone supports up to eight lines, with each line equipped with a dedicated LED indicator for quick status recognition. This multi-line capability is essential for professionals who handle multiple calls simultaneously, ensuring efficiency and productivity.

In terms of sound quality, the Aastra 6735i incorporates high-definition voice technology, providing crystal-clear audio for both callers and recipients. This feature is particularly beneficial in environments where clarity is crucial, such as in customer service or technical support roles.

The phone is equipped with a variety of programmable keys, which can be customized to suit individual user preferences or specific business needs. These keys can be used for speed dial, call transfer, or conference calling, streamlining communication processes.

Another significant feature of the Aastra 6735i is its support for Power over Ethernet (PoE), allowing for easy installation without the need for separate power adapters. This connectivity option simplifies deployment in office spaces and reduces cable clutter.

Furthermore, the Aastra 6735i is designed with eco-friendly technologies, including energy-saving features that reduce power consumption when the phone is not in active use. This commitment to sustainability aligns with modern business practices and corporate responsibility.

In summary, the Aastra Telecom 6735i is a powerful VoIP phone that boasts a combination of sophisticated technology and user-centric design. With its multi-line support, high-definition audio, customizable features, and PoE capability, it is an ideal choice for organizations seeking to enhance their communication capabilities while ensuring a user-friendly experience. The Aastra 6735i is a reliable solution for businesses aiming to improve efficiency and productivity in their telephony operations.

Aastra Telecom 6735I manual Troubleshooting Solutions

Models: 6735I