كتب : Amro Hassan
The tie was a very tense affair and the game's referee almost banned the visiting fans from attending the second half before president Sayed Metwalli's interfered.
The game also witnessed the dismissal of Masri coach Hossam Hassan in the 66th minute. Hassan will now serve a touchline ban for the third time this season.
Ahmed Gaafar and Tarek Al-Sayed scored for Telecom on 21 and 90 minutes, while Masri's only goal of the game came through Mohamed Fahim in the 86th minute.
Gaafar opened the scoring with his fifth of the season from a follow up to Wael Al-Qabani's shot to open the deadlock.
In the second half Masri went gung-ho and Fahim managed to equalize for the Port-Said side four minutes before the final whistle.
However in the game's final minute Ahmed Omran won Telecom a penalty which was successfully converted by former Zamalek full-back Al-Sayed to hand Telecom a late win.
The win lifts Telecom to fourth position with nine points from four games while Masri stays fifth with seven points from five matches.
In other league games ENPPI went joint-leaders after beating Ittihad 1-0 in Cairo. Ahmed Raouf scored the hosts' winner in the 79th minute after Abdul-Hamid Hassan missed a penalty for the Alexandrians.
Asyut petroleum beat Olympic 2-1 to go eights in the table, after strikes from Henry Akile and Ateya Saber cancelled out Issa Nikiema's strike.