رقم الدكتورة على التليفون.

A common pronunciation is ra'am ed-doktora 'ala et-telefōn.

In faster everyday speech, it may sound closer to ra'am ed-doktora 'at-telefōn.

A few useful pronunciation notes:

• رقم is often pronounced ra'am in Egyptian, because ق is commonly pronounced as a glottal stop.
• الدكتورة is pronounced ed-doktora, not al-doktora, because of sound assimilation.
• التليفون is pronounced et-telefōn for the same reason.

Because Arabic often leaves out is / am / are in the present tense.

So a sentence like رقم الدكتورة على التليفون literally looks like the doctor's number on the phone, but it naturally means the doctor's number is on the phone.

This is very normal in both Standard Arabic and Egyptian Arabic. If you wanted a past meaning, then Arabic would use a verb such as كان.

This is a possession structure called iḍāfa.

In an iḍāfa:

• the first noun is the thing possessed
• the second noun is the owner

So:

• رقم = number
• الدكتورة = the female doctor

Together, رقم الدكتورة = the doctor's number

English often uses 's or of, but Arabic usually just puts the two nouns next to each other.

Because in an iḍāfa construction, the first noun normally does not take الـ.

So رقم الدكتورة is correct.

Even though رقم does not have الـ, the whole phrase is still definite because الدكتورة is definite. That is why the phrase means the doctor's number, not just a doctor's number.

So:

• رقم الدكتورة = the doctor's number
• الرقم الدكتورة = incorrect

That letter is taa marbuta: ة.

It often marks feminine nouns and adjectives. In Egyptian Arabic, when the word is said by itself or at the end of a phrase, it usually sounds like -a.

So الدكتورة is pronounced ed-doktora.

If endings are added in other contexts, that ة can behave more like a t sound.

Because الدكتورة is the feminine form.

• الدكتور = a male doctor / Dr. for a man
• الدكتورة = a female doctor / Dr. for a woman

So this sentence is specifically talking about a woman doctor.

Its basic meaning is on, but Arabic prepositions do not always match English prepositions one-to-one.

Here على التليفون most naturally means something like:

• on the phone
• on the phone screen
• on the phone/device

The exact English wording depends on the situation, but على is the normal word here if the idea is that the number is on the phone.

Sometimes yes, but the nuance can be a little different.

• على التليفون suggests on the phone, as on the device or on the screen
• في التليفون suggests in the phone, as stored inside it

In real everyday speech, people may use both depending on what they have in mind, and there can be overlap. But this sentence with على is very natural if the idea is on the phone.

Not by itself. رقم just means number.

But in context, it very often means phone number, especially when talking about a person.

If you want to be more explicit, you can say:

• رقم التليفون = the phone number

In Egyptian Arabic, نَمرة is also very common in everyday speech for number, including phone number.

Yes, التليفون is a very normal everyday Egyptian word.

Other common words include:

• الموبايل = mobile phone / cellphone
• فون = phone, in casual speech
• هاتف = phone, but this sounds more formal or Standard Arabic

So if you were talking specifically about a cellphone, many speakers would naturally say الموبايل.

This is because د and ت are sun letters.

When الـ comes before a sun letter, the ل sound is not pronounced, and the next consonant is doubled in pronunciation.

So:

• الدكتورة is pronounced ed-doktora
• التليفون is pronounced et-telefōn

This happens in speech, but the spelling stays the same.

Yes. A common way is to add موجود:

• رقم الدكتورة موجود على التليفون

That makes the idea of is there / is موجود more explicit.

But the shorter version رقم الدكتورة على التليفون is already completely normal Arabic.