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available by phone is the most popular phrase on the web.

available at phone 1133,000 results on the web	available by phone 1644,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
use MEP search engine are now available on your mobile phone. Explanations about the Parliament's work, meetings, agendas and an easy However, for over 10 years there has been a programme available on mobile phones, known as Cell Broadcast, capable of sending warning messages, though it is hardly ever used; this programme would enable operators to transmit local messages in emergencies. In the Commissioner's view, when are EU consumers likely to have compatible mobile phone chargers available to them? to So, unless you kill every Navajo living in four states, that information is available with a simple phone call. SMS (short message service available on mobile phones) Apparently, when they say "on call," it does not mean "available by phone."	Apparently, when they say "on call," it does not mean "available by phone." However, for over 10 years there has been a programme available on mobile phones, known as Cell Broadcast, capable of sending warning messages, though it is hardly ever used; this programme would enable operators to transmit local messages in emergencies. SMS (short message service available on mobile phones) So, unless you kill every Navajo living in four states, that information is available with a simple phone call. Explanations about the Parliament's work, meetings, agendas and an easy use MEP search engine are now available on your mobile phone. to In the Commissioner's view, when are EU consumers likely to have compatible mobile phone chargers available to them?

available at phone

1133,000 results on the web

available by phone

1644,000 results on the web

More popular!

Some examples and use cases from the internet:

use MEP search engine are now available on your mobile phone.
Explanations about the Parliament's work, meetings, agendas and an easy
However, for over 10 years there has been a programme available on mobile phones, known as Cell Broadcast, capable of sending warning messages, though it is hardly ever used; this programme would enable operators to transmit local messages in emergencies.
In the Commissioner's view, when are EU consumers likely to have compatible mobile phone chargers available to them?
to
So, unless you kill every Navajo living in four states, that information is available with a simple phone call.
SMS (short message service available on mobile phones)
Apparently, when they say "on call," it does not mean "available by phone."

Apparently, when they say "on call," it does not mean "available by phone."
However, for over 10 years there has been a programme available on mobile phones, known as Cell Broadcast, capable of sending warning messages, though it is hardly ever used; this programme would enable operators to transmit local messages in emergencies.
SMS (short message service available on mobile phones)
So, unless you kill every Navajo living in four states, that information is available with a simple phone call.
Explanations about the Parliament's work, meetings, agendas and an easy
use MEP search engine are now available on your mobile phone.
to
In the Commissioner's view, when are EU consumers likely to have compatible mobile phone chargers available to them?

available by phone vs available at phone

available at phone

available by phone

Some examples and use cases from the internet:

Some examples and use cases from the internet:

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