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Headset not connecting to cisco 7945 ip phone

I have a cisco 7945 IP phone. I have attached a Plantronics HW251N SupraPlus Wideband Headset to is using a Plantronics Polaris Cable for Headset with Quick Disconnect to the headphone jack. However, when I press the headset button, I dont hear anything.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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RPaterson
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SOURCE: CISCO 7941 IP PHONE disconnect you out after certain time

Unfortunately this is a very common problem with Cisco's IP Phones. It can be caused by either a faulty hookswitch or a damaged jack. Both of these problems can be remedied by contacting IdacomUSA.

Posted on May 13, 2009

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SOURCE: CISCO 7912 Ip Phone,Red lights are continuously on.

I have seen this problem when there is no Voicemail, all old Voicemails deleted.

Posted on Jun 27, 2009

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SOURCE: Cisco 7970 ip phone, can't pickup call

Make sure you have both phones in the same call pickup group. I have never used the group pickup button. The regular pickup button is what I use.

Just to be clear the procedure is..once phone A rings you hit the pickup button on any other phone that is in the same group as phone A. After you hit the pickup button the call will be drawn to the phone that you hit the pickup button on. Once the call is on that set hit the answer button to answer the call.

Posted on Aug 01, 2009

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SOURCE: Cisco IP phone 7941-- No power on the phone just a

Is this in the same switch as when it was last working? If not, it could be that the new switch that it is being plugged into is not a Power Over Ethernet switch (if you do not have a power supply for the phone that you are using).

The other issues could be that the PoE function has been switched off on that port, the port is disabled for some reason (check for errdisable status in a sh int [interface name and number] command) or just simply that the port is shut down (test this by plugging in a computer and see if it communicates ok.

Hope that this has helped!

Posted on Oct 17, 2010

  • 17 Answers

SOURCE: Good day! How Cisco 7911G IP Phone can connect to

You must have a valid functional callmanager. You then set option 150 in your DHCP which specifies the IP address of the TFTP server which is ultimately callmanager.

Posted on Jan 11, 2011

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1 Answer

I have a Plantronics headset on Cisco 7945 and after about 30 seconds you have to hit the headset button to continue the call


The issue is most likely because the Electronic Hookswitch Control setting is disabled on the phone. You can check it by following the instructions below. This setting can be changed by the phone system administrator and only applies to Cisco 7900 Series sets.

Press the settings button on the phone (checkbox icon).
  1. Choose "Device Configuration"
  2. Choose "Media Confirguration"
  3. Note the value "Headset Hookswitch Control"
Best of luck from Macondo Networks

Jan 24, 2017 | Plantronics Radio Communications

1 Answer

How do you pair a plantronics (cs351n/a) headset with a cisco IP 7900 series phon (cp-7941g)


Go into your sound settings, and enable the +20 gain settings on your mic setting.
It's a weird thing, mics not detecting what they're supposed to do, but it happens.
Unless you haven't installed the updated drivers for the unit? Try going to the website, and d/load the updated software for it, make sure it's for your hardware, and install it. Winblows can be outdated sometimes.
Hope that helped, in one way or another.
Cheers from New Zealand
Pete
MegaByteMe :)

Feb 10, 2016 | Plantronics Supraplus Cs351n/A Wireless...

1 Answer

I have plantronics cs 70 and this is connected to my cisco ip phone .the problem is i can't hear the other person on my phone but other persons can hear me ok.


You need to check all the locations of the dials and #'s, sometimes it is just a simple matter of turning a dial. Here is a link to the CS70 User's Guide that may help you.

Good luck from Headsets Direct!

Sep 09, 2011 | Plantronics Explorer 220 Bluetooth Headset...

1 Answer

I can't hear the other people on my plantronics cs 70 which is connected with my cisco ip phone 7941 phone


• Check that all cords and jacks are connected correctly.

• Check that the base has power (red indicator light) and the headset battery is fully charged.

• Try other phone configuration dial settings on the base unit. Ensure the selected number is in line with the position indicator.

• Ensure you are in headset mode. Press the call control button to select correct mode. The talk indicator light on the base is green.

Good luck from Headsets Direct!

Sep 09, 2011 | Plantronics Explorer 220 Bluetooth Headset...

1 Answer

Using it on my Mitel 5330 IP phone. Worked for a long time then started cutting out. Replaced batteries in Vista M22 amplifier even bought a new headset still have same problem


It sounds like you have a short in the wiring. Mitel has their own cordless headset for the 5330 model phone... it is awesome in every way. Battery life, range, clarity, etc.

Jan 18, 2011 | Plantronics HW251N Headset

1 Answer

Using it on my Mitel 5330 IP phone. Worked for a long time then started cutting out. Replaced batteries in Vista M22 amplifier even bought a new headset still have same problem


It sounds like you have a short in the wiring. Mitel has their own cordless headset for the 5330 model phone... it is awesome in every way. Battery life, range, clarity, etc

Jan 18, 2011 | Plantronics HW251N Headset

1 Answer

I have Cisco 7060 phone and using corded Plantronics headset plugged in to the headset port. I experience problem that speakerphone has priority over the headset. When I enter the phone number on keypad...


There is, but these settings are setup in Call Manager, or Call Manager Express. I would see your systems admin to set the default priorities.

Aug 27, 2010 | Cisco 7960 IP Phone

1 Answer

VOIP headset PlantroMX500i 72517-01 to use with Cisco IP spa504G


mx500i.gif MX500i 3-in-1 VoIP Headset Sorry your headset + phone combination is not currently listed in our database. Please contact Plantronics Technical Assistance Center to confirm compatbility
Versatile 3-in-1 Headset for Internet/VoIP, cordless and mobile calls
Part Number: 72517-01

Apr 21, 2010 | Radio Communications

1 Answer

PLANTRONICS Headphone won't work with IP 501 sip, polycome phone


Dont plugged into the headset jack. Like Nortel, connect headset line with phone base unit in receiver jack and plugged your phone receiver wire into headset or plantronic base unit. This will work. I am sorry, my english is not too good but hope you understand it now. But the pully is not working properly with IP501..I mean it is not good to pickup IP501 receiver and put it back right place.

Dec 17, 2008 | Polycom SOUNDPOINT IP 501 SIP

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