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As &quot;Something&quot; is translating the short number to the long number then the actual number must be the long number. There should be no reason that they can't dial the long number and get through. &nbsp;If it is a VoIP number - then have your Voice supplier change their setting to include being able to dial the short or long number
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As "Something" is translating the short number to the long number then the actual number must be the long number. There should be no reason that they can't dial the long number and get through.  If it is a VoIP number - then have your Voice supplier change their setting to include being able to dial the short or long number

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Thank you. I have just sent mail to all mobile carriers in my country.
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Thank you. I have just sent mail to all mobile carriers in my country.

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Hello,<br />
<br />
My company have short number, lets say &quot;xxxx&quot;.<br />
But right now we can only receive calls to that number.<br />
When people dial &quot;xxxx&quot; it is being forwarded to our long number.<br />
And bad thing is, that when we call our clients back, we are calling from &quot;long number&quot;.<br />
And our customers see our long number, and next time they call directly to &quot;long number&quot;.<br />
<br />
I would like to know if it possible and how to spoof phone number.<br />
<br />
The configuration we are using now.<br />
<br />
3CX PBX.<br />
GSM gateway.<br />
<br />
I saw in settings in 3CX, there is &quot;CID&quot; setting. I tried to change it, but still caller id is not &quot;xxxx&quot;.<br />
<br />
Sorry for my broken english.
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Hello,

My company have short number, lets say "xxxx".
But right now we can only receive calls to that number.
When people dial "xxxx" it is being forwarded to our long number.
And bad thing is, that when we call our clients back, we are calling from "long number".
And our customers see our long number, and next time they call directly to "long number".

I would like to know if it possible and how to spoof phone number.

The configuration we are using now.

3CX PBX.
GSM gateway.

I saw in settings in 3CX, there is "CID" setting. I tried to change it, but still caller id is not "xxxx".

Sorry for my broken english.

spoof phone number

Voice over IP (VoIP) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. Other terms commonly associated with VoIP are IP telephony, Internet telephony, broadband telephony, and broadband phone service. The term specifically refers to the provisioning of communications services (voice, fax, SMS, voice-messaging) over the public Internet, rather than via the public switched telephone network (PSTN).  Examples of the VoIP protocols are H.323, Media Gateway Control Protocol (MGCP), Session Initiation Protocol (SIP), H.248 (also known as Media Gateway Control (Megaco)), Real-time Transport Protocol (RTP), Real-time Transport Control Protocol (RTCP), Secure Real-time Transport Protocol (SRTP), Session Description Protocol (SDP), and Inter-Asterisk eXchange (IAX).