---
title: "Increase Mic Volume on Poly Phone Handset"
slug: "increase-mic-volume-on-poly-phone-handset"
updated: 2026-05-21T18:17:23Z
published: 2026-05-21T21:27:17Z
canonical: "help.8x8.com/increase-mic-volume-on-poly-phone-handset"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.8x8.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Increase Mic Volume on Poly Phone Handset

## Objective

Increase the Poly handset's mic volume.

## Applies To

- Poly Devices

## Procedure

> [!NOTE]
> ***Note****:*
> 
> *Before attempting to edit configuration, test to make sure that the audio problems are not on the receiving device's end. Be sure to carefully follow each step as outlined below.*

### Gather Phone Login Information

- Phone IP address
- Admin password

### Access GUI and Modify Configuration

1. Using your phone's IP address and admin password, **log in to the phone's web interface** (GUI) from a browser on a computer on the same network as the phone.
2. Click **Utilities** > **Import & Export Configuration**.
3. Click to expand the **Export Configuration** section.
4. Ensure that **All Configuration (except Device Settings)** is selected from the drop-down.
5. Click **Export**. ![polycom-exportconfig.png](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/10038?sv=2026-02-06&spr=https&st=2026-11-03T23%3A13%3A52Z&se=2026-11-04T00%3A13%3A52Z&sr=c&sp=r&sig=F9QiFAJVOYhH7sLwPrnaXr9qs%2B7uI9VpyeKstb3A7ig%3D)
6. At prompt, save the file to your computer.
7. Locate the file **Export_all.cfg** in your computer.
8. Right-click on the file and **open with** a text editor (*e.g.* Notepad) on your computer.
9. Add the following script on a new line at the very end, just before the **/>** : **voice.gain.tx.analog.handset="12"**

> [!NOTE]
> ***Note****:*
> 
> *"12" is the loudest value; the lowest is "-36." Values adjustable in increments of 3.*
10. Save the file (do not rename).
11. Back in the phone web GUI, click **Import**.
12. Follow the prompts to select and upload **Export_all.cfg**.
13. Wait for the phone to auto-reboot. Changes will now take effect.

### Example Configuration File

See the example configuration file below (SoundPoint IP 550) line added at the end.

```plaintext
bg.hiRes.color.selection="3,1"
bg.hiRes.gray.selection="3,1"
bg.medRes.gray.selection="3,1"
call.directedCallPickupMethod="legacy"
call.directedCallPickupString="*66"
call.lastCallReturnString="lcr"
call.offeringTimeOut="0"
call.ringBackTimeOut="0"
call.stickyAutoLineSeize="1"
device.auth.localAdminPassword="--------"
device.auth.localAdminPassword.set="1"
device.set="1"
dialplan.applyToTelUriDial="0"
dialplan.digitmap="[2-9]11|1[2-9]xxxxxxxxx|91[2-9]xxxxxxxxx|x.T"
dialplan.digitmap.timeOut="4|4|4|4"
dir.corp.address="ldaps://pccfg.8x8.com:636"
dir.corp.baseDN="dc=8x8,dc=8x8,dc=com"
dir.corp.password="secret"
dir.corp.port="636"
dir.corp.transport="TLS"
dir.corp.user="cn=Manager,dc=8x8,dc=com"
dir.corp.vlv.allow="1"
dir.corp.vlv.sortOrder="sn givenName telephoneNumber"
feature.corporateDirectory.enabled="1"
feature.enhancedFeatureKeys.enabled="1"
feature.lastCallReturn.enabled="1"
feature.urlDialing.enabled="0"
mb.main.home="https://pcmb.8x8.com/vo-pro-php/?user=----------"
msg.bypassInstantMessage="1"
np.normal.ringing.toneVolume.chassis="-48"
ptt.pageMode.enable="1"
qos.ip.callControl.dscp="AF31"
se.pat.ringer.ringer15.name="LoudRing"
se.pat.ringer.ringer16.name="Warble"
se.rt.custom1.name="Silent"
se.rt.custom1.ringer="ringer1"
se.rt.custom10.name="Beeble"
se.rt.custom10.ringer="ringer10"
se.rt.custom11.name="Triplet"
se.rt.custom11.ringer="ringer11"
se.rt.custom12.name="Ringback-style"
se.rt.custom12.ringer="ringer12"
se.rt.custom13.name="Low Trill Precedence"
se.rt.custom13.ringer="ringer13"
se.rt.custom14.name="Ring Splash"
se.rt.custom14.ringer="ringer14"
se.rt.custom15.name="LoudRing"
se.rt.custom15.ringer="ringer15"
se.rt.custom16.name="Warble"
se.rt.custom16.ringer="ringer16"
se.rt.custom2.name="Low Trill"
se.rt.custom2.ringer="ringer2"
se.rt.custom3.name="Low Double Trill"
se.rt.custom3.ringer="ringer3"
se.rt.custom4.name="Medium Trill"
se.rt.custom4.ringer="ringer4"
se.rt.custom5.name="Medium Double Trill"
se.rt.custom5.ringer="ringer5"
se.rt.custom6.name="High Trill"
se.rt.custom6.ringer="ringer6"
se.rt.custom7.name="High Double Trill"
se.rt.custom7.ringer="ringer7"
se.rt.custom8.name="Highest Trill"
se.rt.custom8.ringer="ringer8"
se.rt.custom9.name="Highest Double Trill"
se.rt.custom9.ringer="ringer9"
softkey.feature.buddies="0"
softkey.feature.callers="1"
tcpIpApp.sntp.address="pool.ntp.org"
tcpIpApp.sntp.gmtOffset="-28800"
tcpIpApp.sntp.gmtOffset.overrideDHCP="1"
tone.dtmf.rfc2833Payload="101"
up.screenCapture.enabled="1"
voice.qualityMonitoring.collector.enable.session="1"
voice.qualityMonitoring.rtcpxr.enable="1"
voice.volume.persist.handset="1"
voice.volume.persist.headset="1"
voIpProt.SIP.dialog.usePvalue="1"
voIpProt.SIP.dtmfViaSignaling.rfc2976="1"
voIpProt.SIP.header.warning.codes.accept="329"
voIpProt.SIP.header.warning.enable="1"
voIpProt.SIP.outboundProxy.address="pcsbc.packet8.net"
voIpProt.SIP.outboundProxy.port="5199"
voIpProt.SIP.sendCompactHdrs="1"
voIpProt.SIP.specialEvent.checkSync.alwaysReboot="1"
voIpProt.SIP.strictLineSeize="1"
voIpProt.SIP.use486forReject="1"
bg.hiRes.color.bm.1.em.name="8x8EM.jpg"
bg.hiRes.color.bm.1.name="8x8.jpg"
bg.hiRes.gray.bm.1.em.name="8x8EM.jpg"
bg.hiRes.gray.bm.1.name="8x8.jpg"
bg.medRes.gray.bm.1.name="8x8256x116.jpg"
bg.VVX_1500.color.bm.1.name="8x8vvx.jpg"
dir.corp.attribute.1.label="Last Name"
dir.corp.attribute.2.label="First Name"
dir.corp.attribute.3.label="Phone Number"
dir.corp.attribute.1.name="sn"
dir.corp.attribute.2.name="givenName"
dir.corp.attribute.3.name="telephoneNumber"
dir.corp.attribute.1.searchable="1"
dir.corp.attribute.2.searchable="1"
dir.corp.attribute.3.searchable="1"
dir.corp.attribute.1.sticky="1"
dir.corp.attribute.2.sticky="1"
dir.corp.attribute.2.type="first_name"
dir.corp.attribute.3.type="phone_number"
efk.efklist.1.action.string="$Chold$460"
efk.efklist.2.action.string="$P1N26$$Trefer$"
efk.efklist.3.action.string="$Chold$594"
efk.efklist.4.action.string="*64$P2N12$"
efk.efklist.5.action.string="*0"
efk.efklist.6.action.string="$FLastCallReturn$"
efk.efklist.1.label="Call Park"
efk.efklist.2.label="Blind XFer"
efk.efklist.3.label="xfrVM"
efk.efklist.4.label="InterCom"
efk.efklist.5.label="Record"
efk.efklist.6.label="LCR"
efk.efklist.1.mname="callpark"
efk.efklist.2.mname="blindxfer"
efk.efklist.3.mname="xfer2vm"
efk.efklist.4.mname="intercom"
efk.efklist.5.mname="record"
efk.efklist.6.mname="lcr"
efk.efklist.1.status="1"
efk.efklist.2.status="1"
efk.efklist.3.status="1"
efk.efklist.4.status="1"
efk.efklist.5.status="1"
efk.efklist.6.status="1"
efk.efkprompt.1.label="Blind transfer to:"
efk.efkprompt.2.label="Extension:"
efk.efkprompt.1.status="1"
efk.efkprompt.2.status="1"
efk.efkprompt.1.type="numeric"
efk.efkprompt.2.type="numeric"
msg.mwi.1.callBack="555"
msg.mwi.2.callBack="555"
msg.mwi.3.callBack="555"
msg.mwi.4.callBack="555"
msg.mwi.5.callBack="555"
msg.mwi.6.callBack="555"
msg.mwi.1.callBackMode="contact"
msg.mwi.2.callBackMode="contact"
msg.mwi.3.callBackMode="contact"
msg.mwi.4.callBackMode="contact"
msg.mwi.5.callBackMode="contact"
msg.mwi.6.callBackMode="contact"
ptt.pageMode.group.1.allowTransmit="0"
ptt.pageMode.group.1.available="0"
ptt.pageMode.group.24.label="Priority"
ptt.pageMode.group.25.label="Emergency"
ptt.pageMode.group.1.subscribed="0"
reg.1.address="0455346587"
reg.1.auth.password="macXOfQXls"
reg.1.auth.userId="0455346587"
reg.1.displayName="Ali Balkhi"
reg.1.label="1818 Ali"
reg.1.lineKeys="2"
saf.2="LoudRing.wav"
saf.3="Warble.wav"
se.pat.misc.messageWaiting.inst.1.type="silence"
se.pat.misc.messageWaiting.inst.2.type="silence"
se.pat.misc.messageWaiting.inst.3.type="silence"
softkey.1.action="!callpark"
softkey.2.action="!blindxfer"
softkey.3.action="!intercom"
softkey.4.action="*69"
softkey.5.action="555"
softkey.6.action="!xfer2vm"
softkey.7.action="!record"
softkey.8.action="556"
softkey.1.enable="1"
softkey.2.enable="1"
softkey.3.enable="1"
softkey.4.enable="1"
softkey.5.enable="1"
softkey.6.enable="1"
softkey.7.enable="1"
softkey.8.enable="1"
softkey.1.label="Park"
softkey.2.label="BlindXfer"
softkey.3.label="InterCom"
softkey.4.label="LCR"
softkey.5.label="VoiceMail"
softkey.6.label="xfrVM"
softkey.7.label="CallRecord"
softkey.8.label="ConfServ"
softkey.1.use.active="1"
softkey.2.use.active="1"
softkey.6.use.active="1"
softkey.7.use.active="1"
softkey.3.use.dialtone="1"
softkey.4.use.dialtone="1"
softkey.5.use.dialtone="1"
softkey.8.use.dialtone="1"
softkey.3.use.idle="1"
softkey.4.use.idle="1"
softkey.5.use.idle="1"
softkey.8.use.idle="1"
voice.qualityMonitoring.collector.server.1.address="cq.8x8.com"
voice.qualityMonitoring.collector.server.1.port="5960"
voIpProt.server.1.address="8x8.com"
voIpProt.server.1.expires="300"
voIpProt.server.1.port="5199"
voIpProt.SIP.alertInfo.1.class="ringAnswerMute"
voIpProt.SIP.alertInfo.2.class="custom2"
voIpProt.SIP.alertInfo.3.class="custom3"
voIpProt.SIP.alertInfo.4.class="custom4"
voIpProt.SIP.alertInfo.5.class="custom5"
voIpProt.SIP.alertInfo.6.class="custom6"
voIpProt.SIP.alertInfo.7.class="custom7"
voIpProt.SIP.alertInfo.8.class="custom8"
voIpProt.SIP.alertInfo.9.class="custom9"
voIpProt.SIP.alertInfo.10.class="custom10"
voIpProt.SIP.alertInfo.11.class="custom11"
voIpProt.SIP.alertInfo.12.class="custom12"
voIpProt.SIP.alertInfo.13.class="custom13"
voIpProt.SIP.alertInfo.14.class="custom14"
voIpProt.SIP.alertInfo.15.class="custom15"
voIpProt.SIP.alertInfo.16.class="custom16"
voIpProt.SIP.alertInfo.17.class="custom1"
voIpProt.SIP.alertInfo.18.class="custom3"
voIpProt.SIP.alertInfo.1.value="alert-autoanswer"
voIpProt.SIP.alertInfo.2.value="lowtrill"
voIpProt.SIP.alertInfo.3.value="lowdoubletrill"
voIpProt.SIP.alertInfo.4.value="mediumtrill"
voIpProt.SIP.alertInfo.5.value="mediumdoubletrill"
voIpProt.SIP.alertInfo.6.value="hightrill"
voIpProt.SIP.alertInfo.7.value="highdoubletrill"
voIpProt.SIP.alertInfo.8.value="highesttrill"
voIpProt.SIP.alertInfo.9.value="highestdoubletrill"
voIpProt.SIP.alertInfo.10.value="beeble"
voIpProt.SIP.alertInfo.11.value="triplet"
voIpProt.SIP.alertInfo.12.value="ringbackstyle"
voIpProt.SIP.alertInfo.13.value="lowtrillprecedence"
voIpProt.SIP.alertInfo.14.value="ringsplash"
voIpProt.SIP.alertInfo.15.value="loudring"
voIpProt.SIP.alertInfo.16.value="warble"
voIpProt.SIP.alertInfo.17.value="silent"
voIpProt.SIP.alertInfo.18.value="internal"
voice.gain.rx.analog.headset.sidetone="-24"
voice.gain.tx.analog.handset="12"
/>
```