However, it is unclear whether a demand for ransom was made.
Sabah Police Commissioner Datuk Omar Mammah said according to their Philippines counterparts, the kidnappers made the call a few days after the Sept 23 incident.
“But we were not told how much the kidnappers demanded,” he said.
Omar said the kidnappers urged the family to raise the money as soon as possible.
In the incident, seven heavily-armed men from the Philippines kidnapped the three Indonesians from a Sandakan-registered fishing trawler in waters off Tambisan at about noon.
They are Samiun Maniu, 27, Maharuydin Lunani, 48, and Muhammas Farhan, 27.
The kidnappers then fled to the Tawi Tawi island chain with the hostages before heading to Jolo.
On Wednesday, the Eastern Sabah Security Command (Esscom) mobilised assets to key areas after the Philippines intelligence indicated that Abu Sayyaf-linked gunmen were on their way to kidnap high-value targets.
Esscom commander Datuk Huzani Ghazali said they were on high alert following the intelligence report on Sept 30.
The report said nine Abu Sayyaf gunmen left their Jolo stronghold and were heading towards Sabah’s Mataking and Pom Pom islands in Semporna.
According to reports, the group was targeting tourists and crew members of fishing vessels.
Mataking, which is dotted with holiday resorts, is close to the sea border of the Philippines Tawi Tawi island chain.
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